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The Marshall Star for March 13, 2024


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The Marshall Star for March 13, 2024

Students from middle and high schools in the Montgomery area visit a series of exhibits featuring many NASA programs managed at Marshall. The displays were part of Alabama Space Day, celebrated March 5 at the state Capitol in Montgomery.

Marshall Celebrates Alabama Space Day in Montgomery

By Jessica Barnett

Team members from NASA’s Marshall Space Flight Center joined Montgomery-area students, the U.S. Space & Rocket Center, NASA’s aerospace partners, and elected officials in celebrating the aerospace industry’s impact in Alabama on March 5.

This year’s event kicked off at the state Capitol in Montgomery with a proclamation from Alabama Gov. Kay Ivey declaring March 5 as Alabama Space Day. Students from the Montgomery area were then invited to take part in various STEM (science, technology, engineering, and mathematics) activities, chat with an astronaut, hear what it takes to become a NASA intern or work at Marshall, and check out exhibits highlighting NASA’s many programs, including the Space Launch System, Human Landing System, and Centennial Challenges.

Joseph Pelfrey, director of NASA’s Marshall Space Flight Center, speaks inside the House Chamber of the Alabama State House during Alabama Space Day in Montgomery on March 5.
Joseph Pelfrey, director of NASA’s Marshall Space Flight Center, speaks inside the House Chamber of the Alabama State House during Alabama Space Day in Montgomery on March 5.
Dionne Whetstone

NASA astronaut Raja Chari attended the event and spoke to students about his experience serving as flight engineer of Expedition 66 and 67 aboard the International Space Station for 177 days. 

Ivey said she felt honored to host the annual event, which aims to highlight Alabama’s contributions to space exploration as well as encourage the next generation of scientists and engineers by pursuing degrees and careers in aerospace.

Students from middle and high schools in the Montgomery area visit a series of exhibits featuring many NASA programs managed at Marshall. The displays were part of Alabama Space Day, celebrated March 5 at the state Capitol in Montgomery.
Students from middle and high schools in the Montgomery area visit a series of exhibits featuring many NASA programs managed at Marshall. The displays were part of Alabama Space Day, celebrated March 5 at the state Capitol in Montgomery.
NASA/Christopher Blair

“We are blessed to have such a world-class space and technology presence in our state,” Ivey said. “Alabama is very proud of its historic contributions to the American space program, which go back well over 60 years.”

Marshall Center Director Joseph Pelfrey echoed the sentiment, calling it “a great day to celebrate space in Alabama.”

“Alabama Space Day was a huge success, thanks to the workforce at Marshall, as well as our aerospace partners and sponsors,” Pelfrey said. “We truly appreciate the bipartisan support we receive across the state and enjoy highlighting these partnerships through events like this. I especially valued speaking on panels today with my colleagues and engaging with local high school and college students, who will be the first generation to travel to Mars.”

Alabama Gov. Kay Ivey, right, greets Pelfrey during Alabama Space Day as NASA astronaut Raja Chari, center, looks on. The governor issued a proclamation declaring the state holiday in honor of the aerospace industry’s impact on Alabama.
Alabama Gov. Kay Ivey, right, greets Pelfrey during Alabama Space Day as NASA astronaut Raja Chari, center, looks on. The governor issued a proclamation declaring the state holiday in honor of the aerospace industry’s impact on Alabama.
Hal Yeager

Barnett, a Media Fusion employee, supports the Marshall Office of Communications.

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President’s NASA Fiscal Year 2025 Funding Supports US Space, Climate Leadership

The Biden-Harris Administration on March 11 released the President’s Budget for Fiscal Year 2025, which includes funding to invest in America and the American people and will allow NASA to continue advancing our understanding of Earth and space while inspiring the world through discovery.

“As history has proven, as the present has shown, and as the future will continue to demonstrate, an investment in NASA is an investment in America for the benefit of humanity,” said NASA Administrator Bill Nelson. “President Biden’s budget will fund our nation’s abilities and leadership for the future of space exploration, scientific discovery, cutting-edge technology, climate data, the next generation of aeronautics, and inspiring our future leaders – the Artemis Generation.”

A graphic of the NASA "meatball" insignia, a blue circle crossed by a red V-shaped swoosh, against a black background.

The budget allows NASA to launch the Artemis II mission, which will send astronauts around the Moon for the first time in more than 50 years, research Earth’s changing climate, grow commercial markets to serve America’s interests in space, and inspire the Artemis Generation of science, technology, engineering, and math professionals.

“This budget shows NASA’s value in contributing to the global leadership of the United States,” said Nelson. “Every dollar supports our ability to continue exploring new cosmic shores and making the impossible possible, all while creating competitive and good-paying jobs in all 50 states.”

At NASA, the budget request would:

  • Invest in the U.S.-led Artemis campaign of lunar exploration: The budget includes $7.8 billion for the Artemis campaign, which will bring astronauts – including the first woman, first person of color, and first international astronaut – to the lunar surface starting this decade as part of a long-term journey of science and exploration.
  • Enhance climate science and information: The budget invests $2.4 billion in the Earth science program for missions and activities that advance Earth systems science and increase access to information to mitigate natural hazards, support climate action, and manage natural resources.
  • Advance U.S. space industry technology development: The budget provides $1.2 billion for NASA’s space technology portfolio to foster innovative technology research and development to meet the needs of NASA, support the expanding U.S. space industry, which is creating a growing number of good jobs, and keep America ahead of competitors at the forefront of space innovation.
  • Support highly efficient and greener commercial airliners: The budget invests $966 million in NASA’s aeronautics program, which will develop hybrid-electric jet engines, lightweight aircraft structures, and a major new flight demonstrator to pave the way for new commercial airliners that would be cheaper to operate and produce less pollution.
  • Continue the transition to commercial space stations:The budget funds continued operation of the International Space Station, a vehicle to safely de-orbit the space station after it is retired in 2030, and the commercial space stations that NASA will use as soon as they become available.
  • Increase STEM opportunities at minority-serving institutions: The budget provides $46 million to the Minority University Research and Education Project, to increase competitive awards to Historically Black Colleges and Universities, tribal colleges and universities, and other minority-serving institutions, and recruit and retain underrepresented and underserved students in STEM fields.

Find more information on NASA’s fiscal year 2025 budget request at nasa.gov.

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Jason Adam Named Deputy Manager of Marshall’s Science and Technology Office

Jason Adam has been named as deputy manager of the Science and Technology Office at NASA’s Marshall Space Flight Center.

Adam will assist in leading the organization responsible for projects and programs in support of the Science Mission Directorate and Space Technology Mission Directorate. This includes the Planetary Missions Program Office, the Technology Demonstration Missions Program Office, deep space and planetary exploration, fundamental research in heliophysics, astrophysics, and Earth science, and technology development, including Centennial Challenges and Technology Transfer.

Jason Adam
Jason Adam has been named as deputy manager of the Science and Technology Office at NASA’s Marshall Space Flight Center.
NASA

He has been the Cryogenic Fluid Management Portfolio Project manager since the project office’s inception in February 2021. From February 2020 to 2021, Adam worked an executive-level detail as a senior technical assistant in the center director’s office.

From 2017 to 2021, he was the manager of the Exploration and Systems Development Office in the Science and Technology Office. Adam managed technology and flight projects in support of NASA’s science and human exploration missions from 2008 to 2017.

In 2014, he was selected as a member of the NASA Mid-level Leadership Program. During that time, Adam completed a detail at NASA Headquarters working for the agency’s associate administrator on the Technical Capability Assessments team.

He joined Marshall in 2008 to work on the Constellation rocket Ares I. Adam began his NASA career at Stennis Space Center in 2003, focusing on propulsion testing of the space shuttle main engines. He completed a program management detail in 2007, supporting the Space Shuttle Program as a technical assistant.

A federally certified senior/expert project manager, Adam is a graduate of the Office of Personnel Management Federal Executive Institute’s Leadership for a Democratic Society. He is the recipient of NASA’s Outstanding Leadership Medal.

An engineering graduate from North Dakota State University in Fargo, North Dakota, Adam and his wife, Jessica, live in Huntsville. They have three children.

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NASA Expanding Lunar Exploration with Upgraded SLS Mega Rocket Design

By Martin Burkey

As NASA prepares for its first crewed Artemis missions, the agency is making preparations to build, test, and assemble the next evolution of its SLS (Space Launch System) rocket. The larger and power powerful version of SLS, known as Block 1B, can send a crew and large pieces of hardware to the Moon in a single launch and is set to debut for the Artemis IV mission.

“From the beginning, NASA’s Space Launch System was designed to evolve into more powerful crew and cargo configurations to provide a flexible platform as we seek to explore more of our solar system,” said John Honeycutt, SLS Program manager. “Each of the evolutionary changes made to the SLS engines, boosters, and upper stage of the SLS rocket are built on the successes of the Block 1 design that flew first with Artemis I in November 2022 and will, again, for the first crewed missions for Artemis II and III.”

Expanded view of the next configuration of NASA's Space Launch System rocket
This graphic shows an expanded view of the larger and power powerful version of SLS, known as Block 1B. It can send a crew and large pieces of hardware to the Moon in a single launch and is set to debut for the Artemis IV mission.
NASA

Early manufacturing is already underway at NASA’s Michoud Assembly Facility, while preparations for the green run test series for its upgraded upper stage are in progress at nearby Stennis Space Center. NASA’s Marshall Space Flight Center manages the SLS Program and Michoud.

While using the same basic core stage and solid rocket booster design, and related components as the Block 1, Block 1B features two big evolutionary changes that will make NASA’s workhorse rocket even more capable for future missions to the Moon and beyond. A more powerful second stage and an adapter for large cargos will expand the possibilities for future Artemis missions.

“The Space Launch System Block 1B rocket will be the primary transportation for astronauts to the Moon for years to come,” said James Burnum, deputy manager of the NASA Block 1B Development Office. “We are building on the SLS Block 1 design, testing, and flight experience to develop safe, reliable transportation that will send bigger and heavier hardware to the Moon in a single launch than existing rockets.”

Space Launch System Exploration Upper Stage infographic.
This graphic shows some of the benefits of the exploration upper stage, which will replace the interim cryogenic propulsion stage on the SLS Block 1B rocket.
NASA

The in-space stage used to send the first three Artemis missions to the Moon, called the interim cryogenic propulsion stage, uses a single engine and will be replaced by a larger, more powerful four-engine stage called the exploration upper stage. A different battery is among the many changes that will allow the exploration upper stage to support the first eight hours of the mission following launch compared to the current interim cryogenic propulsion stage two hours. All new hardware and software will be designed and tested to meet the different performance and environmental requirements.

The other configuration change is a universal stage adapter that connects the rocket to the Orion spacecraft. It also offers more than 10,000 cubic feet of space to carry large components, such as modules for NASA’s future Gateway outpost that will be in lunar orbit to support crew between surface missions and unique opportunities for science at the Moon.

Together, those upgrades will increase the payload capability for SLS from 59,000 pounds to approximately 84,000 pounds. The four RL10 engines that will be used during the exploration upper stage green run test series at Stennis are complete, and work on the Artemis IV core stage is in progress at nearby Michoud.

: Technicians at NASA’s Michoud Assembly Facility in New Orleans on Feb. 22 prepare elements that will form part of the midbody for the exploration upper stage. The midbody struts, or V-struts, will create the cage-like outer structure of the midbody that will connect the upper stage’s large liquid hydrogen tank to the smaller liquid oxygen tank. Manufacturing flight and test hardware for the future upper stage is a collaborative effort between NASA and Boeing, the lead contractor for EUS and the SLS core stage.
Technicians at NASA’s Michoud Assembly Facility on Feb. 22 prepare elements that will form part of the midbody for the exploration upper stage. The midbody struts, or V-struts, will create the cage-like outer structure of the midbody that will connect the upper stage’s large liquid hydrogen tank to the smaller liquid oxygen tank.
NASA

The evolved design also gives astronaut explorers more launch opportunities on a path to intercept the Moon. With four times the engines and almost four times the propellant and thrust of interim cryogenic propulsion stage, the exploration upper stage also enables two daily launch opportunities compared to Block 1’s more limited lunar launch availability.

Among other capabilities, both astronauts and ground teams will be able to communicate with the in-space stage and safely control it while using Orion’s docking system to extract components destined for Gateway from the stage adapter.

NASA is working to land the first woman, first person of color, and its first international partner astronaut on the Moon under Artemis. SLS is part of NASA’s backbone for deep space exploration, along with Orion and the Gateway in orbit around the Moon and commercial human landing systems, next-generation spacesuits, and rovers on the lunar surface. SLS is the only rocket that can send Orion, astronauts, and supplies to the Moon in a single launch.

Burkey, a Media Fusion employee, is a technical writer supporting the SLS Program.

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NASA Continues Artemis Moon Rocket Engine Test Series

NASA conducted a full-duration RS-25 engine hot fire March 6, continuing a final round of certification testing for production of new engines to help power the SLS (Space Launch System) rocket on future Artemis missions to the Moon and beyond.

The full-duration test on the Fred Haise Test Stand at NASA’s Stennis Space Center, marked the ninth in a scheduled 12-test series. NASA astronauts and Artemis II crew members Reid Wiseman, commander, and Christina Koch, mission specialist, attended the test.

full-duration RS-25 engine hot fire is seen in the background
NASA conducts a full-duration RS-25 engine hot fire March 6 at the agency’s Stennis Space Center.
NASA/Danny Nowlin

Engineers are collecting test data to certify an updated engine production process, using innovative manufacturing techniques, for lead engines contractor Aerojet Rocketdyne, an L3Harris Technologies company.

During the March 6 test, operators fired the certification engine for 10 minutes (600 seconds), longer than the amount of time needed to help launch the SLS rocket and send astronauts aboard the Orion spacecraft into orbit. The test team also fired the engine at power levels between 80% and 113% to test performance in multiple scenarios. Four RS-25 engines, along with a pair of solid rocket boosters, launch NASA’s powerful SLS rocket, producing more than 8.8 million pounds of thrust at liftoff for Artemis missions.

While clear skies were over Stennis Space Center on March 6, two special guests experienced a brief “rain shower” from water vapor produced during the RS-25 hot fire test on the Fred Haise Test Stand. NASA astronauts Reid Wiseman and Christina Koch – both of whom will fly around the Moon as Artemis II crew members – were hosted by Acting Center Director John Bailey and Engineering & Test Directorate Director Joe Schuyler to view the test and meet the test team. (NASA)

NASA is working to land the first woman, first person of color, and its first international partner astronaut on the Moon under Artemis. SLS is part of NASA’s backbone for deep space exploration, along with the Orion spacecraft and Gateway in orbit around the Moon and commercial human landing systems, next-generational spacesuits, and rovers on the lunar surface. SLS is the only rocket that can send Orion, astronauts, and supplies to the Moon in a single launch.

NASA’s Marshall Space Flight Center manages the SLS and human landing system programs.

RS-25 tests at NASA Stennis are conducted by a diverse team of operators from NASA, Aerojet Rocketdyne, and Syncom Space Services, prime contractor for site facilities and operations.

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Splashdown! NASA’s SpaceX Crew-7 Finishes Mission, Returns to Earth

NASA’s SpaceX Crew-7 completed the agency’s seventh commercial crew rotation mission to the International Space Station on March 12 after splashing down safely in a Dragon spacecraft off the coast of Pensacola, Florida. The international crew of four spent 199 days in orbit.

NASA astronaut Jasmin Moghbeli, ESA (European Space Agency) astronaut Andreas Mogensen, JAXA (Japan Aerospace Exploration Agency) astronaut Satoshi Furukawa, and Roscosmos cosmonaut Konstantin Borisov returned to Earth splashing down at 4:47 a.m. CDT. Teams aboard SpaceX recovery vessels retrieved the spacecraft and its crew. After returning to shore, the crew was flown to NASA’s Johnson Space Center.

crew7return-15a6bd.jpg?w=2048
Roscosmos cosmonaut Konstantin Borisov, left, European Space Agency astronaut Andreas Mogensen, NASA astronaut Jasmin Moghbeli, and Japan Aerospace Exploration Agency astronaut Satoshi Furukawa are seen inside the SpaceX Dragon Endurance spacecraft onboard the SpaceX recovery ship MEGAN shortly after having landed in the Gulf of Mexico off the coast of Pensacola, Florida, March 12. Moghbeli, Mogensen, Furukawa, and Borisov are returning after nearly six months in space as part of Expedition 70 aboard the International Space Station.
NASA/Joel Kowsky

“After more than six months aboard the International Space Station, NASA’s SpaceX Crew-7 has safely returned home,” said NASA Administrator Bill Nelson. “This international crew showed that space unites us all. It’s clear that we can do more – we can learn more – when we work together. The science experiments conducted during their time in space will help prepare for NASA’s bold missions at the Moon, Mars, and beyond, all while benefitting humanity here on Earth.”

The Crew-7 mission lifted off at 2:27 a.m. Aug. 26, 2023, on a Falcon 9 rocket from NASA’s Kennedy Space Center. About 30 hours later, Dragon docked to the Harmony module’s space-facing port. Crew-7 undocked at 10:20 a.m. March 11 to begin the trip home.

Moghbeli, Mogensen, Furukawa, and Borisov traveled 84,434,094 miles during their mission, spent 197 days aboard the space station, and completed 3,184 orbits around Earth. The Crew-7 mission was the first spaceflight for Moghbeli and Borisov. Mogensen has logged 209 days in space over his two flights, and Furukawa has logged 366 days in space over his two flights.

Throughout their mission, the Crew-7 members contributed to a host of science and maintenance activities and technology demonstrations. Moghbeli conducted one spacewalk, joined by NASA astronaut Loral O’Hara, replacing one of the 12 trundle bearing assemblies on the port solar alpha rotary joint, which allows the arrays to track the Sun and generate electricity to power the station.

The crew contributed to hundreds of experiments and technology demonstrations, including the first study of human response to different spaceflight durations, and an experiment growing food on the space station.

This was the third flight of the Dragon spacecraft, named Endurance. It also previously supported the Crew-3 and Crew-5 missions. The spacecraft will return to Florida for inspection and processing at SpaceX’s refurbishing facility at Cape Canaveral Space Force Station, where teams will inspect the Dragon, analyze data on its performance, and process it for its next flight.

The Crew-7 flight is part of NASA’s Commercial Crew Program and its return to Earth follows on the heels of NASA’s SpaceX Crew-8 launch, which docked to the station March 5, beginning another science expedition.

The goal of NASA’s Commercial Crew Program is safe, reliable, and cost-effective transportation to and from the space station and low Earth orbit. This already is providing additional research time and has increased the opportunity for discovery aboard humanity’s microgravity testbed for exploration, including helping NASA prepare for human exploration of the Moon and Mars.

The HOSC (Huntsville Operations Support Center) at NASA’s Marshall Space Flight Center provides engineering and mission operations support for the space station, the Commercial Crew Program, and Artemis missions, as well as science and technology demonstration missions. The Payload Operations Integration Center within the HOSC operates, plans, and coordinates the science experiments onboard the space station 365 days a year, 24 hours a day.

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Webb, Hubble Telescopes Affirm Universe’s Expansion Rate, Puzzle Persists

When you are trying to solve one of the biggest conundrums in cosmology, you should triple check your homework. The puzzle, called the “Hubble Tension,” is that the current rate of the expansion of the universe is faster than what astronomers expect it to be, based on the universe’s initial conditions and our present understanding of the universe’s evolution.

Scientists using NASA’s Hubble Space Telescope and many other telescopes consistently find a number that does not match predictions based on observations from ESA’s (European Space Agency’s) Planck mission. Does resolving this discrepancy require new physics? Or is it a result of measurement errors between the two different methods used to determine the rate of expansion of space?

This image of NGC 5468, a galaxy located about 130 million light-years from Earth, combines data from the Hubble and James Webb space telescopes. This is the farthest galaxy in which Hubble has identified Cepheid variable stars. These are important milepost markers for measuring the expansion rate of the universe. The distance calculated from Cepheids has been cross-correlated with a type Ia supernova in the galaxy. Type Ia supernovae are so bright they are used to measure cosmic distances far beyond the range of the Cepheids, extending measurements of the universe's expansion rate deeper into space.
This image of NGC 5468, a galaxy located about 130 million light-years from Earth, combines data from the Hubble and James Webb space telescopes. This is the farthest galaxy in which Hubble has identified Cepheid variable stars. These are important milepost markers for measuring the expansion rate of the universe. The distance calculated from Cepheids has been cross-correlated with a type Ia supernova in the galaxy. Type Ia supernovae are so bright they are used to measure cosmic distances far beyond the range of the Cepheids, extending measurements of the universe’s expansion rate deeper into space.
NASA

Hubble has been measuring the current rate of the universe’s expansion for 30 years, and astronomers want to eliminate any lingering doubt about its accuracy. Now, Hubble and NASA’s James Webb Space Telescope have tag-teamed to produce definitive measurements, furthering the case that something else – not measurement errors – is influencing the expansion rate.

“With measurement errors negated, what remains is the real and exciting possibility we have misunderstood the universe,” said Adam Riess, a physicist at Johns Hopkins University in Baltimore. Riess holds a Nobel Prize for co-discovering the fact that the universe’s expansion is accelerating, due to a mysterious phenomenon now called “dark energy.”

As a crosscheck, an initial Webb observation in 2023 confirmed that Hubble measurements of the expanding universe were accurate. However, hoping to relieve the Hubble Tension, some scientists speculated that unseen errors in the measurement may grow and become visible as we look deeper into the universe. Stellar crowding could affect brightness measurements of more distant stars in a systematic way.

The Supernova H0 for the Equation of State of Dark Energy (SH0ES) team, led by Riess, obtained additional observations with Webb of objects that are critical cosmic milepost markers, known as Cepheid variable stars, which now can be correlated with the Hubble data.

“We’ve now spanned the whole range of what Hubble observed, and we can rule out a measurement error as the cause of the Hubble Tension with very high confidence,” Riess said.

The team’s first few Webb observations in 2023 were successful in showing Hubble was on the right track in firmly establishing the fidelity of the first rungs of the so-called cosmic distance ladder.

Astronomers use various methods to measure relative distances in the universe, depending upon the object being observed. Collectively these techniques are known as the cosmic distance ladder – each rung or measurement technique relies upon the previous step for calibration.

But some astronomers suggested that, moving outward along the “second rung,” the cosmic distance ladder might get shaky if the Cepheid measurements become less accurate with distance. Such inaccuracies could occur because the light of a Cepheid could blend with that of an adjacent star – an effect that could become more pronounced with distance as stars crowd together and become harder to distinguish from one another.

At the center of these side-by-side images is a special class of star used as a milepost marker for measuring the universe’s rate of expansion – a Cepheid variable star. The two images are very pixelated because they are a very zoomed-in view of a distant galaxy. Each of the pixels represents one or more stars. The image from the James Webb Space Telescope is significantly sharper at near-infrared wavelengths than Hubble, which is primarily a visible-ultraviolet light telescope. By reducing the clutter with Webb’s crisper vision, the Cepheid stands out more clearly, eliminating any potential confusion.
At the center of these side-by-side images is a special class of star used as a milepost marker for measuring the universe’s rate of expansion – a Cepheid variable star. The two images are very pixelated because they are a very zoomed-in view of a distant galaxy. Each of the pixels represents one or more stars. The image from the James Webb Space Telescope is significantly sharper at near-infrared wavelengths than Hubble, which is primarily a visible-ultraviolet light telescope. By reducing the clutter with Webb’s crisper vision, the Cepheid stands out more clearly, eliminating any potential confusion.
NASA, ESA, CSA, STScI, Adam G. Riess (JHU, STScI

The observational challenge is that past Hubble images of these more distant Cepheid variables look more huddled and overlapping with neighboring stars at ever farther distances between us and their host galaxies, requiring careful accounting for this effect. Intervening dust further complicates the certainty of the measurements in visible light. Webb slices though the dust and naturally isolates the Cepheids from neighboring stars because its vision is sharper than Hubble’s at infrared wavelengths.

“Combining Webb and Hubble gives us the best of both worlds. We find that the Hubble measurements remain reliable as we climb farther along the cosmic distance ladder,” Riess said.

The new Webb observations include five host galaxies of eight Type Ia supernovae containing a total of 1,000 Cepheids and reach out to the farthest galaxy where Cepheids have been well measured – NGC 5468 – at a distance of 130 million light-years. “This spans the full range where we made measurements with Hubble. So, we’ve gone to the end of the second rung of the cosmic distance ladder,” said co-author Gagandeep Anand of the Space Telescope Science Institute in Baltimore, which operates the Webb and Hubble telescopes for NASA.

Hubble and Webb’s further confirmation of the Hubble Tension sets up other observatories to possibly settle the mystery. NASA’s upcoming Nancy Grace Roman Space Telescope will do wide celestial surveys to study the influence of dark energy, the mysterious energy that is causing the expansion of the universe to accelerate. ESA’s Euclid observatory, with NASA contributions, is pursuing a similar task.

At present it’s as though the distance ladder observed by Hubble and Webb has firmly set an anchor point on one shoreline of a river, and the afterglow of the big bang observed by Planck’s measurement from the beginning of the universe is set firmly on the other side. How the universe’s expansion was changing in the billions of years between these two endpoints has yet to be directly observed. “We need to find out if we are missing something on how to connect the beginning of the universe and the present day,” Riess said.

These finding were published in the Feb. 6, 2024, issue of The Astrophysical Journal Letters.

The Hubble Space Telescope has been operating for over three decades and continues to make ground-breaking discoveries that shape our fundamental understanding of the universe. Hubble is a project of international cooperation between NASA and ESA. NASA’s Goddard Space Flight Center manages the telescope. Goddard also conducts mission operations with Lockheed Martin Space in Denver, Colorado. The Space Telescope Science Institute (STScI) in Baltimore, Maryland, conducts Hubble and Webb science operations for NASA. The agency’s Marshall Space Flight Center was the lead field center for the design, development, and construction of the space telescope.

The James Webb Space Telescope is the world’s premier space science observatory. Webb is solving mysteries in our solar system, looking beyond to distant worlds around other stars, and probing the mysterious structures and origins of our universe and our place in it. Webb is an international program led by NASA with its partners, ESA (European Space Agency) and the Canadian Space Agency. Several NASA centers contributed to Webb’s development, including Marshall.

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NASA Unveils Design for Message Heading to Jupiter’s Moon Europa

Following in NASA’s storied tradition of sending inspirational messages into space, the agency has special plans for Europa Clipper, which later this year will launch toward Jupiter’s moon Europa. The moon shows strong evidence of an ocean under its icy crust, with more than twice the amount of water of all of Earth’s oceans combined. A triangular metal plate on the spacecraft will honor that connection to Earth in several ways.

At the heart of the artifact is an engraving of U.S. Poet Laureate Ada Limón’s handwritten “In Praise of Mystery: A Poem for Europa,” along with a silicon microchip stenciled with more than 2.6 million names submitted by the public. The microchip will be the centerpiece of an illustration of a bottle amid the Jovian system – a reference to NASA’s “Message in a Bottle” campaign, which invited the public to send their names with the spacecraft.

This side of a commemorative plate mounted on NASA’s Europa Clipper spacecraft features U.S. Poet Laureate Ada Limón’s handwritten “In Praise of Mystery: A Poem for Europa.” It will be affixed with a silicon microchip stenciled with names submitted by the public.
This side of a commemorative plate mounted on NASA’s Europa Clipper spacecraft features U.S. Poet Laureate Ada Limón’s handwritten “In Praise of Mystery: A Poem for Europa.” It will be affixed with a silicon microchip stenciled with names submitted by the public.
NASA/JPL-Caltech

Made of the metal tantalum and about 7 by 11 inches, the plate features graphic elements on both sides. The outward-facing panel features art that highlights Earth’s connection to Europa. Linguists collected recordings of the word “water” spoken in 103 languages, from families of languages around the world. The audio files were converted into waveforms (visual representations of sound waves) and etched into the plate. The waveforms radiate out from a symbol representing the American Sign Language sign for “water.”

To hear audio of the spoken languages and see the sign, go to: go.nasa.gov/MakeWaves.

In the spirit of the Voyager spacecraft’s Golden Record, which carries sounds and images to convey the richness and diversity of life on Earth, the layered message on Europa Clipper aims to spark the imagination and offer a unifying vision.

“The content and design of Europa Clipper’s vault plate are swimming with meaning,” said Lori Glaze, director of the Planetary Science Division at NASA Headquarters. “The plate combines the best humanity has to offer across the universe – science, technology, education, art, and math. The message of connection through water, essential for all forms of life as we know it, perfectly illustrates Earth’s tie to this mysterious ocean world we are setting out to explore.”

In 2030, after a 1.6-billion-mile journey, Europa Clipper will begin orbiting Jupiter, making 49 close flybys of Europa. To determine if there are conditions that could support life, the spacecraft’s powerful suite of science instruments will gather data about the moon’s subsurface ocean, icy crust, thin atmosphere, and space environment. The electronics for those instruments are housed in a massive metal vault designed to protect them from Jupiter’s punishing radiation. The commemorative plate will seal an opening in the vault.

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The art on this side of the plate, which will seal an opening of the vault on NASA’s Europa Clipper, features waveforms that are visual representations of the sound waves formed by the word “water” in 103 languages. At center is a symbol representing the American Sign Language sign for “water.”
NASA/JPL-Caltech

Because searching for habitable conditions is central to the mission, the Drake Equation is etched onto the plate as well – on the inward-facing side. Astronomer Frank Drake developed the mathematical formulation in 1961 to estimate the possibility of finding advanced civilizations beyond Earth. The equation has inspired and guided research in astrobiology and related fields ever since.

In addition, artwork on the inward-facing side of the plate will include a reference to the radio frequencies considered plausible for interstellar communication, symbolizing how humanity uses this radio band to listen for messages from the cosmos. These frequencies match the radio waves emitted in space by the components of water and are known by astronomers as the “water hole.” On the plate, they are depicted as radio emission lines.

Finally, the plate includes a portrait of one of the founders of planetary science, Ron Greeley, whose early efforts to develop a Europa mission two decades ago laid the foundation for Europa Clipper.

“We’ve packed a lot of thought and inspiration into this plate design, as we have into this mission itself,” said project scientist Robert Pappalardo of NASA’s Jet Propulsion Laboratory (JPL). “It’s been a decades-long journey, and we can’t wait to see what Europa Clipper shows us at this water world.”

Learn more about how Europa Clipper’s vault plate engravings were designed and the inspiration for the plate’s multilayered message. (NASA/JPL-Caltech)

Once assembly of Europa Clipper has been completed at JPL, the spacecraft will be shipped to NASA’s Kennedy Space Center in preparation for its October launch.

Europa Clipper’s main science goal is to determine whether there are places below Jupiter’s icy moon, Europa, that could support life. The mission’s three main science objectives are to determine the thickness of the moon’s icy shell and its surface interactions with the ocean below, to investigate its composition, and to characterize its geology. The mission’s detailed exploration of Europa will help scientists better understand the astrobiological potential for habitable worlds beyond our planet.

Managed by Caltech in Pasadena, California, JPL leads the development of the Europa Clipper mission in partnership with the Johns Hopkins Applied Physics Laboratory (APL) in Laurel, Maryland, for NASA’s Science Mission Directorate. APL designed the main spacecraft body in collaboration with JPL and NASA’s Goddard Space Flight Center. The Planetary Missions Program Office at NASA’s Marshall Space Flight Center executes program management of the Europa Clipper mission.

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      by Rachel Hoover
      Malcolm O’Malley and his mom sat nervously in the doctor’s office awaiting the results of his bloodwork. This was no ordinary check-up. In fact, this appointment was more urgent and important than the SATs the seventeen-year-old, college hopeful had spent months preparing for and was now missing in order to understand his symptoms. 
      But when the doctor shared the results – he had off-the-charts levels of antibodies making him deathly allergic to shellfish – O’Malley realized he had more questions than answers. Like: Why is my immune system doing this? How is it working? Why is it reacting so severely and so suddenly (he’d enjoyed shrimp less than a year ago)? And why does the only treatment – an injection of epinephrine – have nothing to do with the immune system, when allergies appear to be an immune system problem? Years later, O’Malley would look to answer some of these questions while interning in the Space Biosciences Research Branch at NASA’s Ames Research Center in California’s Silicon Valley.
      Bone cells NASA/Eduardo Almeida and Cassie Juran “Anaphylaxis is super deadly and the only treatment for it is epinephrine; and I remember thinking, ‘how is this the best we have?’ because epinephrine does not actually treat the immune system at all – it’s just adrenaline,” said O’Malley, who recently returned to his studies as a Ph.D. student of Biomedical Engineering at the University of Virginia (UVA) in Charlottesville. “And there’s a thousand side effects, like heart attacks and stroke – I remember thinking ‘these are worse than the allergy!’”
      O’Malley’s curiosity and desire to better understand the mechanisms and connections between what triggers different immune system reactions combined with his interest in integrating datasets into biological insights inspired him to shift his major from computer science to biomedical engineering as an undergraduate student. With his recent allergy diagnosis and a lifelong connection to his aunt who worked at the UVA Heart and Vascular Center, O’Malley began to build a bridge between the immune system and heart health. By the time he was a senior in college, he had joined the Cardiac Systems Biology Lab, and had chosen to focus his capstone project on better understanding the role of neutrophils, a specific type of immune cell making up 50 to 70% of the immune system, that are involved in cardiac inflammation in high blood pressure and after heart attacks.
      “The immune system is involved in everything,” O’Malley says. “Anytime there’s an injury – a paper cut, a heart attack, you’re sick – the immune system is going to be the first to respond; and neutrophils are the first responders.”
      jA preflight image of beating cardiac spheroid composed of iPSC-derived cardiomyocytes (CMs), endothelial cells (ECs), and cardiac fibroblasts (CFs). These cells are incubated and put under the microscope in space as part of the Effect of Microgravity on Drug Responses Using Heart Organoids (Cardinal Heart 2.0) investigation.
      Image credit: courtesy of Drs. Joseph Wu, Dilip Thomas and Xu Cao, Stanford Cardiovascular Institute O’Malley’s work to determine what regulates the immune system’s interrelated responses – like how one cell could affect other cells or immune processes downstream – provided a unique opportunity for him to support multiple interdisciplinary NASA biological and physical sciences research projects during his 10-week internship at NASA Ames over the summer of 2024. O’Malley applied machine learning techniques to the large datasets the researchers were using from experiments and specimens collected over many years to help identify possible causes of inflammation seen in the heart, brain, and blood, as well as changes seen in bones, metabolism, the immune system, and more when humans or other model organisms are exposed to decreased gravity, social isolation, and increased radiation. These areas are of keen interest to NASA due to the risks to human health inherent in space exploration and the agency’s plans to send humans on long-duration missions to the Moon, Mars, and beyond.
      “It’s exciting that we just never know what’s going to happen, how the immune system is going to react until it’s already been activated or challenged in some way,” said O’Malley. “I’m particularly interested in the adaptive immune system because it’s always evolving to meet new challenges; whether it’s a pandemic-level virus, bacteria or something on a mission to Mars, our bodies are going to have some kind of adaptive immune response.”
      During his NASA internship, O’Malley applied a statistical analysis techniques to plot and make more sense of the massive amounts of life sciences data. From there, researchers could find out which proteins, out of hundreds, or attributes – like differences in sex – are related to which behaviors or outcomes. For example, through O’Malley’s analysis, researchers were able to better pinpoint the proteins involved in inflammation of the brain that may play a protective role in spatial memory and motor control during and after exposure to radiation – and how we might be able to prevent or mitigate those impacts during future space missions and even here on Earth.
      “I had this moment where I realized that since my internship supports NASA’s Human Research Program that means the work I’m doing directly applies to Artemis, which is sending the first woman and person of color to the Moon,” reflected O’Malley. “As someone who’s both black and white, representation is important to me. It’s inspiring to think there will be people like me on the Moon – and that I’m playing a role in making this happen.”
      When O’Malley wasn’t exploring the mysteries of the immune system for the benefit of all at NASA Ames, he taught himself how to ride a bike and started to surf in the nearby waters of the Pacific Ocean. O’Malley considers Palmyra, Virginia, his hometown and he enjoys playing sports – especially volleyball, water polo, and tennis – reading science fiction and giving guest lectures to local high school students hoping to spark their curiosity. 
      O’Malley’s vision for the future of biomedical engineering reflects his passion for innovation. “I believe that by harnessing the unique immune properties of other species, we can achieve groundbreaking advancements in limb regeneration, revolutionize cancer therapy, and develop potent antimicrobials that are considered science fiction today,” he said.

      Wildly Popular 21st Annual Chili Cook-Off and Car Show Held
      The Ames Exchange sponsored its 21st annual Chili Cook-Off on Oct. 30 behind Building 3. The theme for this year’s event was “Halloween Night,” which led to some really creative costumes. Attendees, both from Ames and the NASA Research Park, sampled chili and voted on their favorites. See below for photos of some of the spooky entries. A car and motorcycle show was also held in conjunction with the chili cook-off.
      The 21st Annual Chili Cook-off held Oct. 30 with Hanger One in the background.NASA photos by Don Richey The NASA Ames Fire Department won the Judge’s Choice award for best chili. The classic car collection at the recent Chili Cook-off. One of the collector’s cars at the Chili Cook-off. Classic bike collection at the Chili Cook-off. Employees Participate in the October Fun Run/Walk & Roll
      Runners begin the 2-mile Fun Run/Walk & Roll, sponsored by the Ames Fitness Center. The course covers a 2-mile stretch starting on Durand Road, runs up DeFrance Road to North Perimeter Road and back. The Ames Fitness Center is committed to fostering an inclusive community and encourages everyone, regardless of fitness level, experience, or capability, to participate in these events. Invite your colleagues and come join the fun at future Fun Run/Walk & Roll events! Contact Marco or Orion at the Fitness Center 650-604-5804 or visit https://q.arc.nasa.gov/content/fitness-center for more information about these events and other Fitness Center classes and programs.
      Runners begin the October 2-mile Fun Run/Walk & Roll, sponsored by the Ames Fitness Center. NASA photo by Don Richey Runners and organizers of the 2-mile Fun Run/Walk & Roll, sponsored by the Ames Fitness Center. Eric Yee front row left, David King, Nicholas Wogan, Sarah Nickerson, Jose Ignacio de Alvear Cardenas, Lara Lash, Bob Windhorst, Jon Hill, and Marco Santoyo front row right. Orion Spellman back row left, Marton Mester, Alejandro Serrano Borlaff, Evan Crowe, Jackson Donaldson, Jonathan Kaldani, Clayton Elder, and Collin Payne back row right.NASA photo by Don RIchey In Memoriam …

      Laura Lewis, Science Directorate Project Manager, Dies
      Laura Lewis passed away on Sept. 24 after a three-year fight against cancer.  Laura spent her entire 34-year career at NASA. She was a member of the Science Directorate at Ames. Laura launched her career at Kennedy Space Center. She then moved to Headquarters to work in the Space Life Sciences Office. She joined the Ames community in 1995.
      Laura Lewis Laura is survived by her husband and fellow Ames colleague, Bruce Yost, three children, and their three German Shepards.
      A passionate animal lover, Laura found ways throughout her life to care for and advocate for animals. In lieu of flowers, the family suggests donations be sent to animal shelters or animal rescue organizations such as the San Jose Humane Society or Sunshine Canyon Dog Rescue.
      Laura was a valued member of the NASA community. We extend our condolences to her family, friends, and colleagues.

      Former Technology Partnerships Manager Robin Orans Passes Away

      Robin Orans Robin Orans passed away on Sept. 27.  She was the technology partnership manager at Ames for 27 years. Prior to that role, she served as the software release authority for the center. She retired from NASA in 2015.
      Throughout Robin’s career at Ames she received numerous awards including NASA Ames Total Award for pivotal efforts in organizing the Technical SUPPORT Paper Contest for Woman and serving as the Technical Committee Paper Contest Committee in 1992; NASA Ames 2001 Technical Support Honor Award; NASA Ames 2015 Administrative Professional Honor Award; and NASA Ames 2016 Exceptional Service Medal.
      We value the many years Robin dedicated to the NASA mission and send our condolences to her family, friends, and colleagues.

      Joseph (Jay) Skiles, Senior Research Scientist, Dies
      Dr. Joseph (Jay) W. Skiles III passed away at home on October 22. He had a long and varied career studying, teaching, and lecturing about environmental sciences. He received a B.S. in biology from the University of Redlands, an M.S. in Botany from the University of Idaho, and a Ph.D. in Ecology and Evolutionary Biology from the University of California, Irvine.
      Joseph (Jay) Skiles Jay worked with a number of organizations, including SETI, Johnson Controls, and NASA Ames. While at Ames, he sponsored and tutored select groups of students, lectured internationally, evaluated various projects from schools and agencies, and initiated and developed scientific investigative projects on his own. He has worked modeling the effects of elevated atmospheric CO2 on ecosystems and modeling perturbations of Arctic ecosystems. He studied terrestrial plant responses to increased ultraviolet radiation in the polar regions of Earth and the effects of low intensity microwave fields on vascular plants. He used supercomputers to do ecosystem modeling.
      While not at work, Jay volunteered with the Mountain View Police Department and played golf. He was active with the local Masonic lodge and was a pretty fair clarinetist. Jay was born in Bakersfield, California, to Rev. Joseph W. Skiles II and Genevieve Eola Moody Skiles. He is survived by his brother Stephen, his sister Elizabeth, and eight nieces and nephews.
      Private service arrangements are pending.

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    • By European Space Agency
      Week in images: 04-08 November 2024
      Discover our week through the lens
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    • By NASA
      1 Min Read Oral History with Jon A. McBride, 1943 – 2024
      Jon A. McBride with the IMAX large format camera in the middeck during the STS-41G mission. Credits: NASA Selected as an astronaut in 1978, Jon A. McBride served as the pilot for STS 41-G, launched October 5, 1984, the first shuttle mission to carry a full crew of seven. His other NASA assignments included lead chase pilot for the maiden voyage of Columbia and CAPCOM for three early shuttle flights.
      Read more about Jon McBride
      Jon A. McBride Oral History, 4/17/12 NASA Biography More NASA Oral Histories The transcripts available on this site are created from audio-recorded oral history interviews. To preserve the integrity of the audio record, the transcripts are presented with limited revisions and thus reflect the candid conversational style of the oral history format. Brackets and ellipses indicate where the text has been annotated or edited for clarity. Any personal opinions expressed in the interviews should not be considered the official views or opinions of NASA, the NASA History Office, NASA historians, or staff members.
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    • By European Space Agency
      Space startups and SMEs can meet ESA’s SME Office at Space Tech Expo, a space technology trade fair and conference in Bremen, Germany from 19–21 November.
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