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By NASA
4 min read
Preparations for Next Moonwalk Simulations Underway (and Underwater)
NASA’s Athena Economical Payload Integration Cost mission, or Athena EPIC, is a test launch for an innovative, scalable space vehicle design to support future missions. The small satellite platform is engineered to share resources among the payloads onboard by managing routine functions so the individual payloads don’t have to.
This technology results in lower costs to taxpayers and a quicker path to launch.
Fully integrated, the Athena EPIC satellite undergoes performance testing in a NovaWurks cleanroom to prepare the sensor for launch. The optical module payload element may be seen near the top of the instrument with the single small telescope.NovaWurks “Increasing the speed of discovery is foundational to NASA. Our ability to leverage access to innovative space technologies across federal agencies through industry partners is the future,” said Clayton Turner, Associate Administrator for Space Technology Mission Directorate at NASA headquarters in Washington. “Athena EPIC is a valuable demonstration of the government at its best — serving humankind to advance knowledge with existing hardware configured to operate with new technologies.”
The NOAA (National Oceanic and Atmospheric Administration) and the U.S. Space Force are government partners for this demo mission. Athena EPIC’s industry partner, NovaWurks, provided the space vehicle, which utilizes a small satellite platform assembled with a Hyper-Integrated Satlet, or HISat.
Engineers at NovaWurks in Long Beach prepare to mount the optical payload subassembly (center, silver) consisting of the payload optical module and single telescope mounted between gimbals on each of two HISats on either side of the module which will allow scanning across the Earth’s surface.NovaWurks The HISat instruments are similar in nature to a child’s toy interlocking building blocks. They’re engineered to be built into larger structures called SensorCraft. Those SensorCraft can share resources with multiple payloads and conform to different sizes and shapes to accommodate them. This easily configurable, building-block architecture allows a lot of flexibility with payload designs and concepts, ultimately giving payload providers easier, less expensive access to space and increased maneuverability between multiple orbits.
Scientists at NASA’s Langley Research Center in Hampton, Virginia, designed and built the Athena sensor payload, which consists of an optical module, a calibration module, and a newly developed sensor electronics assembly. Athena EPIC’s sensor was built with spare parts from NASA’s CERES (Clouds and the Earth’s Radiant Energy System) mission. Several different generations of CERES satellite and space station instruments have tracked Earth’s radiation budget.
“Instead of Athena carrying its own processor, we’re using the processors on the HISats to control things like our heaters and do some of the control functions that typically would be done by a processor on our payload,” said Kory Priestley, principal investigator for Athena EPIC from NASA Langley. “So, this is merging an instrument and a satellite platform into what we are calling a SensorCraft. It’s a more integrated approach. We don’t need as many capabilities built into our key instrument because it’s being brought to us by the satellite host. We obtain greater redundancy, and it simplifies our payload.”
The fully assembled and tested Athena EPIC satellite which incorporates eight HISats mounted on a mock-up of a SpaceX provided launch pedestal which will hold Athena during launch.NovaWurks This is the first HISat mission led by NASA. Traditional satellites, like the ones that host the CERES instruments — are large, sometimes the size of a school bus, and carry multiple instruments. They tend to be custom units built with all of their own hardware and software to manage control, propulsion, cameras, carousels, processors, batteries, and more, and sometimes even require two of everything to guard against failures in the system. All of these factors, plus the need for a larger launch vehicle, significantly increase costs.
This transformational approach to getting instruments into space can reduce the cost from billions to millions per mission. “Now we are talking about something much smaller — SensorCraft the size of a mini refrigerator,” said Priestley. “If you do have failures on orbit, you can replace these much more economically. It’s a very different approach moving forward for Earth observation.”
The Athena EPIC satellite is shown here mounted onto a vibration table during pre-launch environmental testing. The optical payload is located at the top in this picture with the two solar arrays, stowed for launch, flanking the lower half sides of the satellite.NovaWurks Athena EPIC is scheduled to launch July 22 as a rideshare on a SpaceX Falcon 9 rocket from Vandenberg Space Force Base, California. The primary NASA payload on the launch will be the TRACERS (Tandem Reconnection and Cusp Electrodynamics Reconnaissance Satellites) mission. The TRACERS mission is led by the University of Iowa for NASA’s Heliophysics Division within the Science Mission Directorate. NASA’s Earth Science Division also provided funding for Athena EPIC.
“Langley Research Center has long been a leader in developing remote sensing instruments for in-orbit satellites. As satellites become smaller, a less traditional, more efficient path to launch is needed in order to decrease complexity while simultaneously increasing the value of exploration, science, and technology measurements for the Nation,” added Turner.
For more information on NASA’s Athena EPIC mission:
https://science.nasa.gov/misshttps://science.nasa.gov/mission/athena/ion/athena/
About the Author
Charles G. Hatfield
Science Public Affairs Officer, NASA Langley Research Center
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Last Updated Jul 18, 2025 ContactCharles G. Hatfieldcharles.g.hatfield@nasa.govLocationNASA Langley Research Center Related Terms
Langley Research Center Earth Earth Science Division Earth's Atmosphere General Science Mission Directorate Explore More
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By NASA
The four crew members of NASA’s SpaceX Crew-11 mission to the International Space Station train inside a SpaceX Dragon spacecraft in Hawthorne, California. From left to right: Roscosmos cosmonaut Oleg Platonov, NASA astronauts Mike Fincke and Zena Cardman, and JAXA astronaut Kimiya YuiSpaceX Four crew members are preparing to launch to the International Space Station as part of NASA’s SpaceX Crew-11 mission to perform research, technology demonstrations, and maintenance activities aboard the orbiting laboratory.
During the mission, Crew-11 also will contribute to NASA’s Artemis campaign by simulating Moon landing scenarios that astronauts may encounter near the lunar South Pole, showing how the space station helps prepare crews for deep space human exploration. The simulations will be performed before, during, and after their mission using handheld controllers and multiple screens to identify how changes in gravity affect spatial awareness and astronauts’ ability to pilot spacecraft, like a lunar lander.
NASA astronauts Zena Cardman and Mike Fincke, JAXA (Japan Aerospace Exploration Agency) astronaut Kimiya Yui, and Roscosmos cosmonaut Oleg Platonov will lift off no earlier than 12:09 p.m. EDT on Thursday, July 31, from Launch Complex 39A at the agency’s Kennedy Space Center in Florida on a long-duration mission. The cadre will fly aboard a SpaceX Dragon spacecraft, named Endeavour, which previously flew NASA’s SpaceX Demo-2, Crew-2, Crew-6, and Crew-8 missions, as well as private astronaut mission Axiom Mission 1.
The flight is the 11th crew rotation mission with SpaceX to the space station as part of NASA’s Commercial Crew Program. Overall, the Crew-11 mission is the 16th crewed Dragon flight to the space station, including Demo-2 in 2020 and 11 operational crew rotations for NASA, as well as four private astronaut missions.
As support teams progress through Dragon preflight milestones for Crew-11, they also are preparing a SpaceX Falcon 9 rocket booster for its third flight. Once all rocket and spacecraft system checkouts are complete and all components are certified for flight, teams will mate Dragon to Falcon 9 in SpaceX’s hangar at the launch site. The integrated spacecraft and rocket will then be rolled to the pad and raised vertically for the crew’s dry dress rehearsal and an integrated static fire test before launch.
Meet Crew-11
The official crew portrait of NASA’s SpaceX Crew-11 members. Front row, from left, are Pilot Mike Fincke and Commander Zena Cardman, both NASA astronauts. In the back from left, are Mission Specialists Oleg Platonov of Roscosmos and Kimiya Yui of JAXA (Japan Aerospace Exploration Agency)NASA/Robert Markowitz Selected as a NASA astronaut in 2017, Cardman will conduct her first spaceflight. The Williamsburg, Virginia, native holds a bachelor’s degree in biology and a master’s degree in marine sciences from the University of North Carolina at Chapel Hill. At the time of selection, she was pursuing a doctorate in geosciences. Cardman’s geobiology and geochemical cycling research focused on subsurface environments, from caves to deep sea sediments. Since completing initial training, Cardman has supported real-time station operations and lunar surface exploration planning. Follow @zenanaut on X and @zenanaut on Instagram.
This mission will be Fincke’s fourth trip to the space station, having logged 382 days in space and nine spacewalks during Expedition 9 in 2004, Expedition 18 in 2008, and STS-134 in 2011, the final flight of space shuttle Endeavour. Throughout the past decade, Fincke has applied his expertise to NASA’s Commercial Crew Program, advancing the development and testing of Dragon and Boeing’s Starliner spacecraft toward operational certification. The Emsworth, Pennsylvania, native is a graduate of the United States Air Force Test Pilot School and holds bachelors’ degrees from the Massachusetts Institute of Technology, Cambridge, in both aeronautics and astronautics, as well as Earth, atmospheric, and planetary sciences. He also has a master’s degree in aeronautics and astronautics from Stanford University in California. Fincke is a retired U.S. Air Force colonel with more than 2,000 flight hours in over 30 different aircraft. Follow @AstroIronMike on X and Instagram.
With 142 days in space, this mission will be Yui’s second trip to the space station. After his selection as a JAXA astronaut in 2009, Yui flew as a flight engineer for Expedition 44/45 and became the first Japanese astronaut to capture JAXA’s H-II Transfer Vehicle using the station’s robotic arm. In addition to constructing a new experimental environment aboard Kibo, he conducted a total of 21 experiments for JAXA. In November 2016, Yui was assigned as chief of the JAXA Astronaut Group. He graduated from the School of Science and Engineering at the National Defense Academy of Japan in 1992. He later joined the Air Self-Defense Force at the Japan Defense Agency (currently the Ministry of Defense). In 2008, Yui joined the Air Staff Office at the Ministry of Defense as a lieutenant colonel. Follow @astro_kimiya on X.
The mission will be Platonov’s first spaceflight. Before his selection as a cosmonaut in 2018, Platonov earned a degree in engineering from Krasnodar Air Force Academy in aircraft operations and air traffic management. He also earned a bachelor’s degree in state and municipal management in 2016 from the Far Eastern Federal University in Vladivostok, Russia. Assigned as a test cosmonaut in 2021, he has experience in piloting aircraft, zero gravity training, scuba diving, and wilderness survival.
Mission Overview
From left to right: Roscosmos cosmonaut Oleg Platonov, NASA astronauts Mike Fincke and Zena Cardman, and JAXA astronaut Kimiya Yui pictured after participating in a training simulation inside a mockup at NASA’s Johnson Space Center in HoustonNASA/Robert Markowitz Following liftoff, Falcon 9 will accelerate Dragon to approximately 17,500 mph. Once in orbit, the crew, NASA, and SpaceX mission control will monitor a series of maneuvers that will guide Dragon to the forward-facing port of the station’s Harmony module. The spacecraft is designed to dock autonomously, but the crew can pilot it manually, if necessary.
After docking, Crew-11 will be welcomed aboard the station by the seven-member Expedition 73 crew, before conducting a short handover period on research and maintenance activities with the departing Crew-10 crew members. Then, NASA astronauts Anne McClain, Nichole Ayers, JAXA astronaut Takuya Onishi, and Roscosmos cosmonaut Kirill Peskov will undock from the space station and return to Earth. Ahead of Crew-10’s return, mission teams will review weather conditions at the splashdown sites off the coast of California before departure from the station.
Cardman, Fincke, and Yui will conduct scientific research to prepare for human exploration beyond low Earth orbit and benefit humanity on Earth. Participating crew members will simulate lunar landings, test strategies to safeguard vision, and advance other human spaceflight studies led by NASA’s Human Research Program. The crew also will study plant cell division and microgravity’s effects on bacteria-killing viruses, as well as perform experiments to produce a higher volume of human stem cells and generate on-demand nutrients.
While aboard the orbiting laboratory, Crew-11 will welcome a Soyuz spacecraft in November with three new crew members, including NASA astronaut Chris Williams. They also will bid farewell to the Soyuz carrying NASA astronaut Jonny Kim. The crew also is expected to see the arrival of the Dragon, Roscosmos Progress spacecraft, and Northrop Grumman’s Cygnus spacecraft to resupply the station.
NASA’s SpaceX Crew-11 mission will be aboard the International Space Station on Nov. 2, when the orbiting laboratory surpasses 25 years of a continuous human presence. Since the first crew expedition arrived, the space station has enabled more than 4,000 groundbreaking experiments in the unique microgravity environment, while becoming a springboard for building a low Earth orbit economy and preparing for NASA’s future exploration of the Moon and Mars.
Learn more about the space station, its research, and crew, at:
https://www.nasa.gov/station
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By NASA
4 min read
NASA to Launch SNIFS, Sun’s Next Trailblazing Spectator
July will see the launch of the groundbreaking Solar EruptioN Integral Field Spectrograph mission, or SNIFS. Delivered to space via a Black Brant IX sounding rocket, SNIFS will explore the energy and dynamics of the chromosphere, one of the most complex regions of the Sun’s atmosphere. The SNIFS mission’s launch window at the White Sands Missile Range in New Mexico opens on Friday, July 18.
The chromosphere is located between the Sun’s visible surface, or photosphere, and its outer layer, the corona. The different layers of the Sun’s atmosphere have been researched at length, but many questions persist about the chromosphere. “There’s still a lot of unknowns,” said Phillip Chamberlin, a research scientist at the University of Colorado Boulder and principal investigator for the SNIFS mission.
The reddish chromosphere is visible on the Sun’s right edge in this view of the Aug. 21, 2017, total solar eclipse from Madras, Oregon.Credit: NASA/Nat Gopalswamy The chromosphere lies just below the corona, where powerful solar flares and massive coronal mass ejections are observed. These solar eruptions are the main drivers of space weather, the hazardous conditions in near-Earth space that threaten satellites and endanger astronauts. The SNIFS mission aims to learn more about how energy is converted and moves through the chromosphere, where it can ultimately power these massive explosions.
“To make sure the Earth is safe from space weather, we really would like to be able to model things,” said Vicki Herde, a doctoral graduate of CU Boulder who worked with Chamberlin to develop SNIFS.
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This footage from NASA’s Solar Dynamics Observatory shows the Sun in the 304-angstrom band of extreme ultraviolet light, which primarily reveals light from the chromosphere. This video, captured on Feb. 22, 2024, shows a solar flare — as seen in the bright flash on the upper left.Credit: NASA/SDO The SNIFS mission is the first ever solar ultraviolet integral field spectrograph, an advanced technology combining an imager and a spectrograph. Imagers capture photos and videos, which are good for seeing the combined light from a large field of view all at once. Spectrographs dissect light into its various wavelengths, revealing which elements are present in the light source, their temperature, and how they’re moving — but only from a single location at a time.
The SNIFS mission combines these two technologies into one instrument.
“It’s the best of both worlds,” said Chamberlin. “You’re pushing the limit of what technology allows us to do.”
By focusing on specific wavelengths, known as spectral lines, the SNIFS mission will help scientists to learn about the chromosphere. These wavelengths include a spectral line of hydrogen that is the brightest line in the Sun’s ultraviolet (UV) spectrum, and two spectral lines from the elements silicon and oxygen. Together, data from these spectral lines will help reveal how the chromosphere connects with upper atmosphere by tracing how solar material and energy move through it.
The SNIFS mission will be carried into space by a sounding rocket. These rockets are effective tools for launching and carrying space experiments and offer a valuable opportunity for hands-on experience, particularly for students and early-career researchers.
(From left to right) Vicki Herde, Joseph Wallace, and Gabi Gonzalez, who worked on the SNIFS mission, stand with the sounding rocket containing the rocket payload at the White Sands Missile Range in New Mexico.Credit: courtesy of Phillip Chamberlin “You can really try some wild things,” Herde said. “It gives the opportunity to allow students to touch the hardware.”
Chamberlin emphasized how beneficial these types of missions can be for science and engineering students like Herde, or the next generation of space scientists, who “come with a lot of enthusiasm, a lot of new ideas, new techniques,” he said.
The entirety of the SNIFS mission will likely last up to 15 minutes. After launch, the sounding rocket is expected to take 90 seconds to make it to space and point toward the Sun, seven to eight minutes to perform the experiment on the chromosphere, and three to five minutes to return to Earth’s surface.
A previous sounding rocket launch from the White Sands Missile Range in New Mexico. This mission carried a copy of the Extreme Ultraviolet Variability Experiment (EVE).
Credit: NASA/University of Colorado Boulder, Laboratory for Atmospheric and Space Physics/James Mason The rocket will drift around 70 to 80 miles (112 to 128 kilometers) from the launchpad before its return, so mission contributors must ensure it will have a safe place to land. White Sands, a largely empty desert, is ideal.
Herde, who spent four years working on the rocket, expressed her immense excitement for the launch. “This has been my baby.”
By Harper Lawson
NASA’s Goddard Space Flight Center, Greenbelt, Md.
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Last Updated Jul 17, 2025 Related Terms
Heliophysics Goddard Space Flight Center Heliophysics Division Science & Research Sounding Rockets Sounding Rockets Program Wallops Flight Facility Explore More
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By NASA
A collaboration between NASA and the Indian Space Research Organisation, NISAR will use synthetic aperture radar to monitor nearly all the planet’s land- and ice-covered surfaces twice every 12 days.Credit: NASA NASA will host a news conference at 12 p.m. EDT Monday, July 21, to discuss the upcoming NISAR (NASA-ISRO Synthetic Aperture Radar) mission.
The Earth-observing satellite, a first-of-its-kind collaboration between NASA and ISRO (Indian Space Research Organisation), carries an advanced radar system that will help protect communities by providing a dynamic, three-dimensional view of Earth in unprecedented detail and detecting the movement of land and ice surfaces down to the centimeter.
The NISAR mission will lift off from ISRO’s Satish Dhawan Space Centre in Sriharikota, on India’s southeastern coast. Launch is targeted for no earlier than late July.
NASA’s Jet Propulsion Laboratory in Southern California will stream the briefing live on its X, Facebook, and YouTube channels. Learn how to watch NASA content through a variety of platforms, including social media.
Participants in the news conference include:
Nicky Fox, associate administrator, Science Mission Directorate, NASA Headquarters Karen St. Germain, director, Earth Science Division, NASA Headquarters Wendy Edelstein, deputy project manager, NISAR, NASA JPL Paul Rosen, project scientist, NISAR, NASA JPL To ask questions by phone, members of the media must RSVP no later than two hours before the start of the event to: rexana.v.vizza@jpl.nasa.gov. NASA’s media accreditation policy is available online. Questions can be asked on social media during the briefing using #AskNISAR.
With its two radar instruments — an S-band system provided by ISRO and an L-band system provided by NASA — NISAR will use a technique known as synthetic aperture radar (SAR) to scan nearly all the planet’s land and ice surfaces twice every 12 days. Each system’s signal is sensitive to different sizes of features on Earth’s surface, and each specializes in measuring different attributes, such as moisture content, surface roughness, and motion.
These capabilities will help scientists better understand processes involved in natural hazards and catastrophic events, such as earthquakes, volcanic eruptions, land subsidence, and landslides.
Additionally, NISAR’s cloud penetrating ability will aid urgent responses to communities during weather disasters such as hurricanes, storm surge, and flooding. The detailed maps the mission creates also will provide information on both gradual and sudden changes occurring on Earth’s land and ice surfaces.
Managed by Caltech for NASA, JPL leads the U.S. component of the NISAR project and provided the L-band SAR. NASA JPL also provided the radar reflector antenna, the deployable boom, a high-rate communication subsystem for science data, GPS receivers, a solid-state recorder, and payload data subsystem. NASA’s Goddard Space Flight Center in Greenbelt, Maryland, manages the Near Space Network, which will receive NISAR’s L-band data.
Multiple ISRO centers have contributed to NISAR. The Space Applications Centre is providing the mission’s S-band SAR. The U R Rao Satellite Centre provided the spacecraft bus. The rocket is from Vikram Sarabhai Space Centre, launch services are through Satish Dhawan Space Centre, and satellite mission operations are by the ISRO Telemetry Tracking and Command Network. The National Remote Sensing Centre is responsible for S-band data reception, operational products generation, and dissemination.
To learn more about NISAR, visit:
https://nisar.jpl.nasa.gov
-end-
Karen Fox / Elizabeth Vlock
Headquarters, Washington
202-358-1600
karen.c.fox@nasa.gov / elizabeth.a.vlock@nasa.gov
Andrew Wang / Scott Hulme
Jet Propulsion Laboratory, Pasadena, Calif.
626-379-6874 / 818-653-9131
andrew.wang@jpl.nasa.gov / scott.d.hulme@jpl.nasa.gov
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Last Updated Jul 16, 2025 EditorJessica TaveauLocationNASA Headquarters Related Terms
NISAR (NASA-ISRO Synthetic Aperture Radar) Earth Science Division Goddard Space Flight Center Jet Propulsion Laboratory Near Space Network Science Mission Directorate View the full article
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LIVE : Sun Live stream - close up Video Of The Sun / Lunt Telescope - Backyard Astronomy
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