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The Marshall Star for May 29, 2024


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The Marshall Star for May 29, 2024

Marshall Deputy Director Rae Ann Meyer, second from right, responds to an audience question during a question-and-answer panel the May 20 all-hands meeting. At left, Lance D. Davis, Marshall’s public affairs and news chief, moderates the panel, while Pelfrey, center left, and Larry Leopard, Marshall’s associate director, technical, far right, listen in.

More to Marshall: Center Leadership Provides Updates During Spring All-Hands Meeting

By Wayne Smith

NASA’s Marshall Space Flight Center will celebrate its 65th birthday next summer, and while there are plans to honor the center’s rich history, there is also More to Marshall ahead.

Team members at NASA’s Marshall Space Flight Center listen to Center Director Joseph Pelfrey, background center, share updates on culture and strategy during the spring all-hands meeting May 20 in Activities Building 4316.
Team members at NASA’s Marshall Space Flight Center listen to Center Director Joseph Pelfrey, background center, share updates on culture and strategy during the spring all-hands meeting May 20 in Activities Building 4316.
NASA/Danielle Burleson

That was part of the message Center Director Joseph Pelfrey delivered during the spring all-hands meeting May 20 in Activities Building 4316. He highlighted Marshall’s transformative shift to more strategic partnerships across NASA and with industry, with the center continuing to serve as a technical solutions provider.

“More to Marshall is a systematic approach that will reinforce our center’s strategy and our role in space exploration,” Pelfrey said. “We align this vision with the core values of our Marshall fabric. We are not replacing our roots; we are fostering them to grow stronger and reach farther.”

Pelfrey also discussed the center’s evolving culture, highlighting April outreach activities, including the Total Solar Eclipse event in Russellville, Arkansas, First Robotics, Student Launch, and the Human Exploration Rover Challenge.

Marshall Deputy Director Rae Ann Meyer, second from right, responds to an audience question during a question-and-answer panel the May 20 all-hands meeting. At left, Lance D. Davis, Marshall’s public affairs and news chief, moderates the panel, while Pelfrey, center left, and Larry Leopard, Marshall’s associate director, technical, far right, listen in.
Marshall Deputy Director Rae Ann Meyer, second from right, responds to an audience question during a question-and-answer panel the May 20 all-hands meeting. At left, Lance D. Davis, Marshall’s public affairs and news chief, moderates the panel, while Pelfrey, center left, and Larry Leopard, Marshall’s associate director, technical, far right, listen in.
NASA/Danielle Burleson

“These events emulate the Marshall culture,” Pelfrey said. “I am proud of the impact you have on the community, the Artemis Generation, and across the globe.”

New Deputy Director Rae Ann Meyer followed Pelfrey’s opening remarks, focusing on the center’s newest culture initiatives. Meyer also invited Trace Turner, management assistant in the Office of the Director, to highlight the efforts of three Center Action Teams leading the charge on Marshall’s culture initiatives. Team leaders Rocio Garcia, Benjamin Ferrell, and Mason Quick each shared more about their respective team’s projects, including the development of a user-friendly app that will share information on Marshall, NASA’s Michoud Assembly Facility, Redstone Arsenal, and the community.

Larry Leopard, Marshall’s associate director, technical, provided an update on the center’s efforts to address knowledge management concerns, starting with events like Meals with Mentors, Center Strategy Brown Bags and Tech Talk presentations, and after-action reviews.

: Rocio Garcia, MPH delivery service integration lead at Marshall, shares plans to develop a user-friendly app for Marshall team members and the public, which will serve as a one-stop shop for information on Marshall, NASA’s Michoud Assembly Facility, Redstone Arsenal, and the community.
Center Action Team leader Rocio Garcia shares plans to develop a user-friendly app for Marshall team members and the public, which will serve as a one-stop shop for information on Marshall, NASA’s Michoud Assembly Facility, Redstone Arsenal, and the community.
NASA/Danielle Burleson

Finally, before Marshall leadership participated in a question-and-answer panel, Pelfrey shared updates on center strategy, infrastructure, NASA’s budget, and NASA 2040.

“We will build on the success of our center strategy,” Pelfrey said. “We will continue to implement and mature our pursuits culture, always seeking challenging and exciting opportunities, using our skills, expertise, capabilities, and infrastructure while continuing to build partnerships with industry and academia. Marshall has a tremendous role in returning humans to the Moon, reaching Mars, and exploring the cosmos.”

Team members can watch a recording of the all-hands meeting on Inside Marshall.

Smith, a Media Fusion employee and the Marshall Star editor, supports the Marshall Office of Communications.

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Les Johnson Named Center Chief Technologist at Marshall

Les Johnson has been named center chief technologist at NASA’s Marshall Space Flight Center, effective June 2.

Johnson will provide expert advice on technology initiatives to center leadership and to Marshall team members. He will lead the Marshall team on matters involving center-wide technology development. Johnson also will represent Marshall on NASA’s Center Technology Council and serves as the center’s focal point for Center Innovation Fund activities.

Les Johnson.
Les Johnson has been named center chief technologist at NASA’s Marshall Space Flight Center.
NASA

He has been a principal technologist for several of NASA’s advanced in-propulsion and power technology developments during his 33-year career at Marshall. Johnson served as the principal investigator of the Propulsive Small Expendable Deployer System (ProSEDS) tether propulsion project and Near-Earth Asteroid Scout solar sail mission. He was a co-investigator (Co-I) of the JAXA T-Rex tether propulsion demonstration, the European Union’s InflateSail, and NASA’s Lightweight Integrated Solar Array and anTenna (LISA-T) missions, as well as a Co-I on multiple NASA Innovative Advanced Concepts (NIAC) studies.

Johnson began his NASA career in 1990 working in the Program Development Directorate formulating new space science mission concepts. Shortly thereafter, he became the manager for NASA’s Interstellar Propulsion Technology Project that transitioned into the In-Space Propulsion Technology Program, which he managed on behalf of the Office of Space Science. He then served as the formulation manager for the Nuclear Systems Initiative, which became Project JIMO. Johnson served as deputy manager and technical assistant for the Advanced Concepts Office, before being selected to lead the development of the Solar Cruiser solar sail propulsion system in the Science and Technology Office.

Prior to NASA, he worked three years for General Research Corp. on directed energy systems in support of the Strategic Defense Initiative.

Johnson holds three patents. His awards include NASA’s Exceptional Technology Achievement Medal, NASA’s Exceptional Achievement Medal (twice), Marshall’s Technology Transfer and Innovation Awards, and he has been a Rotary Stellar Award finalist two times. As an outside activity, he is also an award-winning author.

A native of Ashland, Kentucky, Johnson earned his bachelor’s degree from Transylvania University and his master’s degree from Vanderbilt University.

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Take 5 with Jose Matienzo

By Wayne Smith

Growing up in the small village of Luquillo, Puerto Rico, Jose Matienzo would fly paper airplanes and launch model rockets from atop the building he lived in with his family.

“I knew then that I wanted to be some sort of engineer, I just didn’t know what it was called,” Matienzo said. “I never imagined that I actually would work for NASA, but I thought I could design cars or planes. I liked drawing them.”

Jose Matienzo.
Jose Matienzo began his NASA career in 1983 at the agency’s Marshall Space Flight Center.
Photo courtesy of Jose Matienzo

Flash forward more than five decades later. Matienzo is in his 42nd year working with NASA and the agency’s Marshall Space Flight Center as he nears retirement in December. Center team members will remember him as manager of the Marshall Exchange for the past 12 years, enjoying his witty daily email from the Exchange.

“Literally every day was fun trying to make life better for our team members,” Matienzo said of his team with the Exchange. “That includes bringing the food truck court, being able to have employee clothing of all styles and types, creating new clubs, and expanding facilities.”

He is currently assigned to a position with NASA’s Source Evaluation Board.

As he approaches retirement, Matienzo still finds it difficult to fathom his many milestones working with NASA and Marshall, where he began his career in 1983 as a co-op student in the structural dynamics division and worked on the Space Shuttle Program for 12 years. Matienzo followed that with a year at NASA Headquarters before returning to Marshall as lead engineer on several projects related to the International Space Station, such as the space station element transportation system.

His other assignments have included managing the NASA office at the Naval Research Center; the Marshall lead for supporting the Launch Services Program, including the office at the United Launch Alliance rocket plant in Decatur; technical assistant for former Marshall Director Robert Lightfoot; and more. 

“There have been so many memories over the years,” Matienzo said. “Six months after becoming a full-time employee, the Challenger accident happened. At the time I had no idea what the possible impact of that accident would be. We all had a little part on returning to flight, so watching the first launch afterwards was a fantastic moment.

“We delivered space station hardware in partnership with the Italians and the European Space Agency, helped train the astronauts who performed the Hubble Telescope repair, and most recently, we made improvements to the Exchange services to make life at work better for our employees.”

Question: What excites you most about the future of human space exploration, or your NASA work, and your team’s role it?

Matienzo: I’ve been here for a long time and our future missions and goals have changed over the years. But no matter what, there’s always been excitement about meeting the agency’s goals and Marshall’s role in providing space transportation, lunar landers, and even Mars sample return vehicles. That and all of the support and testing work that comes with it is fun! 

Question: Who or what drives/motivates you?

Matienzo: I’ve been lucky that my job assignments have always been fun and self-motivating, but certainly dealing and coordinating with colleagues in accomplishing a mutual goal, test, or assignment is very rewarding.

Question: What advice do you have for employees early in their NASA career or those in new leadership roles?

Matienzo: Network! As you get to know others and learn what they do, you will find out how everything comes together at NASA and where other opportunities may be out there for you. For our leaders: keep encouraging, mentoring, and creating opportunities for the employees to experience, learn, and grow.

Question: What do you enjoy doing with your time while away from work?

Matienzo: My kids are older now so keeping in touch is fun. But I do have grandkids to play with. Otherwise, I play congas with my bandmates, love to do social dancing, play lots of pickleball, and enjoy mountain and road bike riding.

Question: What plans do you have for retirement?

Matienzo: I want to move closer to the beach. I love Huntsville, so I want to keep a presence here. I also plan to bike all over the USA!

Smith, a Media Fusion employee and the Marshall Star editor, supports the Marshall Office of Communications.

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Marshall Team Supports Safe Travels for Space Station Science

By Jessica Barnett 

During the International Space Station’s more than 25 years of operation, there have been more than 3,000 experiments conducted aboard the microgravity laboratory, and making sure scientific samples are kept safe through launch, spaceflight, experimentation, and the return trip to Earth takes a great deal of planning, testing, and preparation across NASA.

In February, team members at NASA’s Marshall Space Flight Center handled the de-integration of zinc selenide-based crystals grown on the space station as part of an experiment to study how a lack of gravity might affect the crystals’ growth and structure. The experiment was conducted using six sample cartridge assemblies heated up to 1,200 degrees Celsius (2,192 degrees Fahrenheit) inside the Materials Science Laboratory of the Materials Science Research Rack on the space station.

A man wearing blue gloves and a gray visor with a magnifying glass built in it leans against a black table while looking at a specimen. Next to him, a second man wearing black glasses is standing while holding a pen and a stapled stack of papers.
NASA Marshall Space Flight Center’s payload technician Chris Honea, left, and quality assurance specialist Keith Brandon, right, on Feb. 29 carefully inspect the temperature sensors that help gather data and monitor progress during a crystals experiment. The zinc selenide-based crystals were grown on the International Space Station as part of an experiment to see how gravity affects their structure or growth, then de-integrated and inspected in Marshall’s Space Systems Integration & Test Facility.
NASA

John Luke Bili, lead systems test engineer for the sample cartridge assemblies within Marshall’s Instrument Development, Integration, and Test Branch, begins the process by working with engineers, scientists, project personnel, and the experiment’s principal investigator to create an ampoule, or sealed glass vial, to use as a sample container.

“We’ll take the ampoule and do some ground testing, like a normal flight integration,” Bili said. “We’ll assemble it with the hardware we have, then we are responsible for completing different mitigation efforts to prepare for sealing the ampoule up and processing it at the required high temperatures.”

The team exposes the test article to extreme heat and pressure using a duplicate of the furnace on the space station, allowing them to also test the experiment’s software.

The zinc selenide-based crystal experiment required six sample cartridge assemblies. After a month of preparation from Marshall’s team, the assemblies traveled to NASA’s Johnson Space Center for a final round of packing before arriving at the agency’s Kennedy Space Center for launch.

The assemblies launched on NASA’s SpaceX 24th commercial resupply services mission in December 2021 and NASA’s Northrop Grumman 19th commercial resupply services mission in August 2023. Each sample took about a week to process through the space station’s lab furnace. The samples were then brought back to Earth, with three of the six arriving at Marshall on Feb. 9.

A glass tube shaped like a tall hourglass containing silver and gold crystals lies sideways upon a silver metal block on a black table.
An ampoule containing zinc selenide-based crystals rests on a table in Marshall Space Flight Center’s Space Systems Integration & Test Facility. The ampoule was part of the sixth sample cartridge assembly retrieved from the International Space Station as part of an experiment to see how gravity affects the crystals’ structure or growth.
NASA

While unpacking the crystal samples, team members took photos and notes of the tubes throughout the de-integration process in Marshall’s Space Systems Integration & Test Facility. The team includes technicians with 20 to 30 years of experience, ensuring samples safely travel to and from the station and helping expand access for researchers to explore microgravity, space exposure, and future missions in low Earth orbit.

“It’s really nice having that kind of experience when we’re working on the hardware that’s going in space,” he said. “We’ve got a lot of people that are very skilled machinists that are able to help us in a moment’s notice, we have people with a really good understanding of technical tolerances and stuff like that, and we have people with a lot of varying experience doing flight hardware integration and tests.”

For more than two decades, humans have lived and worked continuously aboard the International Space Station, advancing scientific knowledge and making research breakthroughs that are not possible on Earth. The station is a critical testbed for NASA to understand and overcome the challenges of long-duration spaceflight and to expand commercial opportunities in low Earth orbit.

Learn more about the space station.

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

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Spotted: ‘Death Star’ Black Holes in Action

A team of astronomers have studied 16 supermassive black holes that are firing powerful beams into space, to track where these beams, or jets, are pointing now and where they were aimed in the past, as reported in a press release. Using NASA’s Chandra X-ray Observatory and the U.S. National Science Foundation (NSF) National Radio Astronomical Observatory’s (NRAO) Very Large Baseline Array (VLBA), they found that some of the beams have changed directions by large amounts.

Abell 478 and NGC 5044.
These two Chandra images show hot gas in the middle of the galaxy cluster Abell 478, left, and the galaxy group NGC 5044, right.
X-ray: NASA/CXC/Univ. of Bologna/F. Ubertosi; Insets Radio: NSF/NRAO/VLBA; Wide field Image: Optical/IR: Univ. of Hawaii/Pan-STARRS; Image Processing: NASA/CXC/SAO/N. Wolk

These two Chandra images show hot gas in the middle of the galaxy cluster Abell 478 (left) and the galaxy group NGC 5044 (right). The center of each image contains one of the sixteen black holes firing beams outwards. Each black hole is in the center of a galaxy embedded in the hot gas.

In the images below, labels and the radio images appear. Ellipses show a pair of cavities in the hot gas for Abell 478, left, and ellipses show two pairs of cavities for NGC 5044, right. These cavities were carved out by the beams millions of years ago, giving the directions of the beams in the past. An X shows the location of each supermassive black hole.

The VLBA images are shown as insets, which reveal where the beams are currently pointing, as seen from Earth. The radio images are both much smaller than the X-ray images. For Abell 478 the radio image is about 3% of the width of the Chandra image and for NGC 5044 the radio image is about 4% of the Chandra image’s width.

Abell 478 and NGC 5044 (Labeled)
A labeled version of the image.
X-ray: NASA/CXC/Univ. of Bologna/F. Ubertosi; Insets Radio: NSF/NRAO/VLBA; Wide field Image: Optical/IR: Univ. of Hawaii/Pan-STARRS; Image Processing: NASA/CXC/SAO/N. Wolk

A comparison between the Chandra and VLBA images shows that the beams for Abell 478 changed direction by about 35 degrees and the beams for NGC 5044 changed direction by about 70 degrees.

Across the entire sample the researchers found that about a third of the 16 galaxies have beams that are pointing in completely different directions than they were before. Some have changed directions by nearly 90 degrees in some cases, and over timescales between one million years and a few tens of millions of years. Given that the black holes are of the order of 10 billion years old, this represents a relatively rapid change for these galaxies.

Black holes generate beams when material falls onto them via a spinning disk of matter and some of it then gets redirected outward. The direction of the beams from each of these giant black holes, which are likely spinning, is thought to align with the rotation axis of the black hole, meaning that the beams point along a line connecting the poles.

These beams are thought to be perpendicular to the disk. If material falls towards the black holes at a different angle that is not parallel to the disk, it could affect the direction of the black hole’s rotation axes, changing the direction of the beams.

Wide Field Views of Abell 478 [Left] and NGC 5044 [Right].
Wide field views of Abell 478, left, and NGC 5044, right.
X-ray: NASA/CXC/Univ. of Bologna/F. Ubertosi et al.; Optical/IR: Univ. of Hawaii/Pan-STARRS; IR: NASA/ESA/JPL/CalTech/Herschel Space Telescope

Scientists think that beams from black holes and the cavities they carve out play an important role in how many stars form in their galaxies. The beams pump energy into the hot gas in and around the galaxy, preventing it from cooling down enough to form huge numbers of new stars. If the beams change directions by large amounts, they can tamp down star formation across much larger areas of the galaxy.

The paper describing these results was published in the January 20th, 2024 issue of The Astrophysical Journal, and is available here. The authors are Francesco Ubertosi (University of Bologna in Italy), Gerritt Schellenberger (Center for Astrophysics | Harvard & Smithsonian), Ewan O’Sullivan (CfA), Jan Vrtilek (CfA), Simona Giacintucci (Naval Research Laboratory), Laurence David (CfA), William Forman (CfA), Myriam Gitti (University of Bologna), Tiziana Venturi (National Institute of Astrophysics—Institute of Radio Astronomy in Italy), Christine Jones (CfA), and Fabrizio Brighenti (University of Bologna).

NASA’s Marshall Space Flight Center manages the Chandra program. The Smithsonian Astrophysical Observatory’s Chandra X-ray Center controls science from Cambridge Massachusetts and flight operations from Burlington, Massachusetts.

Read more from NASA’s Chandra X-ray Observatory.

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NASA, IBM Research to Release New AI Model for Weather, Climate

By Jessica Barnett

Working together, NASA and IBM Research have developed a new artificial intelligence model to support a variety of weather and climate applications. The new model – known as the Prithvi-weather-climate foundational model – uses artificial intelligence (AI) in ways that could vastly improve the resolution we’ll be able to get, opening the door to better regional and local weather and climate models.  

Foundational models are large-scale, base models which are trained on large, unlabeled datasets and can be fine-tuned for a variety of applications. The Prithvi-weather-climate model is trained on a broad set of data – in this case NASA data from NASA’s Modern-Era Retrospective analysis for Research and Applications (MERRA-2)– and then makes use of AI learning abilities to apply patterns gleaned from the initial data across a broad range of additional scenarios.  

With the Prithvi-weather-climate foundational model, researchers will be able to support many climate applications that can be used throughout the science community. These applications include detecting and improving models for severe weather patterns or natural disasters such as hurricanes. NASA’s Terra satellite acquired this image of Idalia in August 2023.
With the Prithvi-weather-climate foundational model, researchers will be able to support many climate applications that can be used throughout the science community. These applications include detecting and improving models for severe weather patterns or natural disasters such as hurricanes. NASA’s Terra satellite acquired this image of Idalia in August 2023.
NASA Earth Observatory

“Advancing NASA’s Earth science for the benefit of humanity means delivering actionable science in ways that are useful to people, organizations, and communities. The rapid changes we’re witnessing on our home planet demand this strategy to meet the urgency of the moment,” said Karen St. Germain, director of the Earth Science Division of NASA’s Science Mission Directorate. “The NASA foundation model will help us produce a tool that people can use: weather, seasonal and climate projections to help inform decisions on how to prepare, respond and mitigate.”  

With the Prithvi-weather-climate model, researchers will be able to support many different climate applications that can be used throughout the science community. These applications include detecting and predicting severe weather patterns or natural disasters, creating targeted forecasts based on localized observations, improving spatial resolution on global climate simulations down to regional levels, and improving the representation of how physical processes are included in weather and climate models.

“These transformative AI models are reshaping data accessibility by significantly lowering the barrier of entry to using NASA’s scientific data,” said Kevin Murphy, NASA’s chief science data officer, Science Mission Directorate at NASA Headquarters. “Our open approach to sharing these models invites the global community to explore and harness the capabilities we’ve cultivated, ensuring that NASA’s investment enriches and benefits all.” 

Prithvi-weather-climate was developed through an open collaboration with IBM Research, Oak Ridge National Laboratory, and NASA, including the agency’s Interagency Implementation and Advanced Concepts Team (IMPACT) at NASA’s Marshall Space Flight Center. 

Prithvi-weather-climate can capture the complex dynamics of atmospheric physics even when there is missing information thanks to the flexibility of the model’s architecture. This foundational model for weather and climate can scale to both global and regional areas without compromising resolution. 

“This model is part of our overall strategy to develop a family of AI foundation models to support NASA’s science mission goals,” said Rahul Ramachandran, who leads IMPACT at Marshall. “These models will augment our capabilities to draw insights from our vast archives of Earth observations.”  

Prithvi-weather-climate is part of a larger model family– the Prithvi family – which includes models trained on NASA’s Harmonized LandSat and Sentinel-2 data. The latest model serves as an open collaboration in line with NASA’s open science principles to make all data accessible and usable by communities everywhere. It will be released later this year on Hugging Face, a machine learning and data science platform that helps users build, deploy, and train machine learning models. 

“The development of the NASA foundation model for weather and climate is an important step towards the democratization of NASA’s science and observation mission,” said Tsendgar Lee, program manager for NASA’s Research and Analysis Weather Focus Area, High-End Computing Program, and Data for Operation and Assessment. “We will continue developing new technology for climate scenario analysis and decision making.” 

Along with IMPACT and IBM Research, development of Prithvi-weather-climate featured significant contributions from NASA’s Office of the Chief Science Data Officer, NASA’s Global Modeling and Assimilation Office at Goddard Space Flight Center, Oak Ridge National Laboratory, the University of Alabama in Huntsville, Colorado State University, and Stanford University. 

Learn more about Earth data and previous Prithvi models.

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

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Psyche Fires Up Its Sci-Fi-Worthy Thrusters

NASA’s Psyche spacecraft passed its six-month checkup with a clean bill of health, and there’s no holding back now. Navigators are firing its futuristic-looking electric thrusters, which emit a blue glow, nearly nonstop as the orbiter zips farther into deep space.

The spacecraft launched from NASA’s Kennedy Space Center atop a SpaceX Falcon Heavy on Oct. 13, 2023. After leaving Earth’s atmosphere, Psyche made the most of its rocket boost and coasted beyond the orbit of Mars.

For the next year, the spacecraft will be in what mission planners call “full cruise” mode, when its electric thrusters take over and propel the orbiter toward the asteroid belt. The thrusters work by expelling charged atoms, or ions, of xenon, emitting a brilliant blue glow that trails behind the spacecraft.

This artist's concept, updated as of June 2020, depicts NASA's Psyche spacecraft.
This artist’s concept depicts NASA’s Psyche spacecraft headed to the metal-rich asteroid Psyche in the main asteroid belt between Mars and Jupiter. The spacecraft launched in October 2023 and will arrive at its destination in 2029.
NASA/JPL-Caltech/ASU

They are part of Psyche’s incredibly efficient solar electric propulsion system, which is powered by sunlight. The thrust created by the ionized xenon is gentle, but it does the job. Even in full cruise mode, the pressure exerted by the thrusters is about what you’d feel holding three quarters in your hand.

The orbiter is now more than 190 million miles away and moving at a clip of 23 miles per second, relative to Earth. That’s about 84,000 mph. Over time, with no atmospheric drag to slow it down, Psyche will accelerate to speeds of up to 124,000 mph.

The spacecraft will arrive at the metal-rich asteroid Psyche in 2029 and will make observations from orbit for about two years. The data it collects will help scientists better understand the formation of rocky planets with metallic cores, including Earth. Scientists have evidence that the asteroid, which is about 173 miles across at its widest point, may be the partial core of a planetesimal, the building block of an early planet.  

The flight team used Psyche’s first 100 days in space to conduct a full checkout of all spacecraft systems. All of the engineering systems are working just as expected, and the three science instruments have been operating without a hitch. The magnetometer is working so well that it was able to detect an eruption of charged particles from the Sun, as did the gamma-ray and neutron spectrometer. And this past December, the twin cameras on the imaging instrument captured their first images.

An electric Hall thruster
This photo captures an operating electric thruster identical to those being used to propel NASA’s Psyche spacecraft. The blue glow comes from the charged atoms, or ions, of xenon.
NASA/JPL-Caltech

“Until this point, we have been powering on and checking out the various pieces of equipment needed to complete the mission, and we can report they are working beautifully,” said Henry Stone, Psyche project manager at NASA’s Jet Propulsion Laboratory, which manages the mission. “Now we are on our way and looking forward to an upcoming close flyby of Mars.”

That’s because the spacecraft’s trajectory will bring it back toward the Red Planet in the spring of 2026. The spacecraft will power down the thrusters as it coasts toward Mars, using the planet’s gravity to slingshot itself out. From there, the thrusters return to full cruise mode. Next stop: the asteroid Psyche.

In the meantime, the Deep Space Optical Communications technology demonstration aboard the spacecraft will keep on testing its mettle. The experiment already surpassed expectations when, in April, it transmitted test data from over 140 million miles away at a rate of 267 megabits per second to a downlink station on Earth – a bit rate comparable to broadband internet download speeds.

Arizona State University leads the Psyche mission. A division of Caltech in Pasadena, JPL is responsible for the mission’s overall management, system engineering, integration and test, and mission operations. Maxar Technologies in Palo Alto, California, provided the high-power solar electric propulsion spacecraft chassis.

JPL manages DSOC for the Technology Demonstration Missions program within NASA’s Space Technology Mission Directorate and the Space Communications and Navigation program within the Space Operations Mission Directorate.

Psyche is the 14th mission selected as part of NASA’s Discovery Program, which is managed by the agency’s Marshall Space Flight Center. NASA’s Launch Services Program, based at Kennedy, managed the launch service.

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NASA’s OSIRIS-APEX Unscathed After Searing Pass of Sun

Mission engineers were confident NASA’s OSIRIS-APEX (Origins, Spectral Interpretation, Resource Identification – Apophis Explorer) spacecraft could weather its closest ever pass of the Sun on Jan. 2. Their models had predicted that, despite traveling 25 million miles closer to the heat of the Sun than it was originally designed to, OSIRIS-APEX and its components would remain safe.

The mission team confirmed that the spacecraft indeed had come out of the experience unscathed after downloading stored telemetry data in mid-March. The team also tested OSIRIS-APEX’s instruments in early April, once the spacecraft was far enough from the Sun to return to normal operations. Between December 2023 and March, OSIRIS-APEX was inactive, with only limited telemetry data available to the team on Earth.

Both these images from a camera called StowCam aboard OSIRIS-APEX show the same view taken six months apart, before, left, and after, right, the Jan. 2, 2024, perihelion. Notably, there is no observable difference on spacecraft surfaces, a good indication that the higher temperatures faced during perihelion didn’t alter the spacecraft. Another insight gleaned from the identical view in the two images is that the camera’s performance was also not affected by perihelion.
Both these images from a camera called StowCam aboard OSIRIS-APEX show the same view taken six months apart, before, left, and after, right, the Jan. 2, 2024, perihelion. Notably, there is no observable difference on spacecraft surfaces, a good indication that the higher temperatures faced during perihelion didn’t alter the spacecraft. Another insight gleaned from the identical view in the two images is that the camera’s performance was also not affected by perihelion.
NASA/University of Arizona/Lockheed Martin

The spacecraft’s clean bill of health was due to creative engineering. Engineers placed OSIRIS-APEX in a fixed orientation with respect to the Sun and repositioned one of its two solar arrays to shade the spacecraft’s most sensitive components during the pass.

The spacecraft is in an elliptical orbit around the Sun that brings it to a point closest to the Sun, called a perihelion, about every nine months. To get on a path that will allow it to meet up with its new target Apophis in 2029, the spacecraft’s trajectory includes several perihelions that are closer to the Sun than the spacecraft’s components were originally designed to withstand.

“It’s phenomenal how well our spacecraft configuration protected OSIRIS-APEX, so I’m really encouraged by this first close perihelion pass,” said Ron Mink, mission systems engineer for OSIRIS-APEX, based at NASA’s Goddard Space Flight Center.

Besides confirming that the January perihelion worked out according to predictions, engineers found surprises while testing spacecraft components. A couple of instruments came out better than expected after exposure to higher temperatures.

A camera that helped map asteroid Bennu and will do the same at Apophis, saw a 70% reduction in “hot pixels” since April 13, 2023, the last time it was tested. Hot pixels, which are common in well-used cameras in space, show up as white spots in images when detectors accumulate exposure to high-energy radiation, mostly from our Sun.

“We think the heat from the Sun reset the pixels through annealing,” said Amy Simon, OSIRIS-APEX project scientist, based at NASA Goddard. Annealing is a heat process that can restore function of instruments and is often done intentionally through built-in heaters on some spacecraft.

Another welcome surprise, said Simon, came from the spacecraft’s visible and near-infrared spectrometer. Before perihelion, the spectrometer, which mapped the surface composition of Bennu, and will do the same at Apophis, seemed to have a rock from Bennu stuck inside its calibration port. Scientist suspected that some sunlight was blocked from filtering through the instrument after the spacecraft, then called OSIRIS-REx, grabbed a sample from asteroid Bennu on Oct. 20, 2020. By picking up the sample and then firing its engines to back away from Bennu, the spacecraft stirred up dust and pebbles that clung to it.

“But, with enough spacecraft maneuvers and engine burns after sample collection,” Simon said, the rock in the calibration port appears to have been dislodged. Scientists will check the spectrometer again when OSIRIS-APEX swings by Earth on Sept. 25, 2025, for a gravitational boost.

OSIRIS-APEX is now operating normally as it continues its journey toward asteroid Apophis for a 2029 rendezvous. Its better-than-expected performance during the first close perihelion is welcome news. But engineers caution that it doesn’t mean it’s time to relax. OSIRIS-APEX needs to execute five more exceptionally close passes of the Sun – along with three Earth gravity assists – to get to its destination. It’s unclear how the cumulative effect of six perihelions at a closer distance than designed will impact the spacecraft and its components.

The second OSIRIS-APEX perihelion is scheduled for Sept. 1. The spacecraft will be 46.5 million miles away from the Sun, which is roughly half the distance between Earth and the Sun, and well inside the orbit of Venus.

OSIRIS-APEX (previously named OSIRIS-REx) is the third mission in NASA’s New Frontiers Program, managed by NASA’s Marshall Space Flight Center in for the agency’s Science Mission Directorate.

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      We Are All Made of Cells: Space and the Immune System
      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
      View the full article
    • 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.
      View the full article
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