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Sentinel-1B journeys back to Earth
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By European Space Agency
Image: This image captured by the Copernicus Sentinel-1 mission reveals the impact of severe flooding following heavy rain that hit Australia’s Northern Territory in March 2024. View the full article
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By NASA
Illustration of NASA’s BioSentinel spacecraft as it enters a heliocentric orbit. BioSentinel collected data during the May 2024 geomagnetic storm that hit Earth to learn more about the impacts of radiation in deep space.NASA/Daniel Rutter In May 2024, a geomagnetic storm hit Earth, sending auroras across the planet’s skies in a once-in-a-generation light display. These dazzling sights are possible because of the interaction of coronal mass ejections – explosions of plasma and magnetic field from the Sun – with Earth’s magnetic field, which protects us from the radiation the Sun spits out during turbulent storms.
But what might happen to humans beyond the safety of Earth’s protection? This question is essential as NASA plans to send humans to the Moon and on to Mars. During the May storm, the small spacecraft BioSentinel was collecting data to learn more about the impacts of radiation in deep space.
“We wanted to take advantage of the unique stage of the solar cycle we’re in – the solar maximum, when the Sun is at its most active – so that we can continue to monitor the space radiation environment,” said Sergio Santa Maria, principal investigator for BioSentinel’s spaceflight mission at NASA’s Ames Research Center in California’s Silicon Valley. “These data are relevant not just to the heliophysics community but also to understand the radiation environment for future crewed missions into deep space.”
BioSentinel – a small satellite about the size of a cereal box – is currently over 30 million miles from Earth, orbiting the Sun, where it weathered May’s coronal mass ejection without protection from a planetary magnetic field. Preliminary analysis of the data collected indicates that even though this was an extreme geomagnetic storm, that is, a storm that disturbs Earth’s magnetic field, it was considered just a moderate solar radiation storm, meaning it did not produce a great increase in hazardous solar particles. Therefore, such a storm did not pose any major issue to terrestrial lifeforms, even if they were unprotected as BioSentinel was. These measurements provide useful information for scientists trying to understand how solar radiation storms move through space and where their effects – and potential impacts on life beyond Earth – are most intense.
NASA’s Solar Dynamics Observatory captured this image of a solar flare on May 11, 2024. The image shows a subset of extreme ultraviolet light that highlights the extremely hot material in flares.NASA/SDO The original mission of BioSentinel was to study samples of yeast in deep space. Though these yeast samples are no longer alive, BioSentinel has adapted and continues to be a novel platform for studying the potential impacts of deep space conditions on life beyond the protection of Earth’s atmosphere and magnetosphere. The spacecraft’s biosensor instrument collects data about the radiation in deep space. Over a year and a half after its launch in Nov. 2022, BioSentinel retreats farther away from Earth, providing data of increasing value to scientists.
“Even though the biological part of the BioSentinel mission was completed a few months after launch, we believe that there is significant scientific value in continuing with the mission,” said Santa Maria. “The fact that the CubeSat continues to operate and that we can communicate with it, highlights the potential use of the spacecraft and many of its subsystems and components for future long-term missions beyond low Earth orbit.”
When we see auroras in the sky, they can serve as a stunning reminder of all the forces we cannot see that govern our cosmic neighborhood. As NASA and its partners seek to understand more about space environments, platforms like BioSentinel are essential to learn more about the risks of surviving beyond Earth’s sphere of protection.
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Last Updated Sep 26, 2024 Related Terms
General Ames Research Center Ames Research Center's Science Directorate Ames Space Biosciences CubeSats NASA Centers & Facilities Science & Research Small Satellite Missions View the full article
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By NASA
NASA/Joel Kowsky NASA launched its reimagined art program by unveiling two murals on Sept. 23, 2024. The murals, titled “To the Moon, and Back,” were created by New York-based artist team Geraluz and WERC and use geometrical patterns to invite deeper reflection on the exploration, creativity, and connection with the cosmos. The vision of this next phase is to inspire and engage the Artemis Generation with community murals and other art projects for the benefit of humanity.
NASA has long used art to tell the story of its awe-inspiring missions. Soon after its inception, the agency started a formal program commissioning artists to develop inspiring pieces like portraits and paintings that highlighted an unexpected side of the agency. In 1962, NASA’s then Administrator James Webb tasked staffer and artist James Dean with implementing the new program, and with the help of the National Gallery of Art, Dean laid the framework to artistically capture the inspiration of NASA’s Apollo program. As the NASA Art Program continues to evolve, the agency remains focused on inspiring and engaging the next generation of explorers – the Artemis Generation – in new and unexpected ways, including through art.
Image Credit: NASA/Joel Kowsky
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By NASA
As systems integration team lead for NASA’s Commercial Low Earth Orbit Development Program (CLDP), Hector Chavez helps build a future where NASA and private industry work together to push the boundaries of space exploration.
With the rise of commercial providers in the space sector, Chavez’s team works to ensure that these companies can develop end-to-end systems to support NASA’s low Earth orbit operations—from transporting crew and cargo to operating mission centers. His team’s role is to assess how commercial providers are using their systems engineering processes to achieve program goals and objectives.
Official portrait of Hector Chavez. NASA/David DeHoyos With a background that spans both the National Nuclear Security Administration and NASA, Chavez brings knowledge and insight into working with interdisciplinary teams to create complex, reliable systems. He has collaborated across organizations, contracts, and government to ensure design and operational improvements were carried out safely and reliably.
“Systems integration brings different systems together to deliver capabilities that can’t be achieved alone,” said Chavez.
His previous role in NASA’s Safety and Mission Assurance office deepened his expertise in mitigating technical risks in human spaceflight by integrating engineering, health, and safety considerations into the development of space exploration vehicles.
Hector Chavez and the team prepare to lift and install a receiver telescope assembly for the Optical Development System, used to test the alignment and performance of the optical systems for NASA’s Ice, Cloud, and land Elevation Satellite-2 mission, in a clean room at Goddard Space Flight Center in Greenbelt, Maryland.NASA Now with CLDP, Chavez helps these companies navigate NASA’s design processes without stifling innovation. “Our challenge is to communicate what we’ve identified during technical reviews without prohibiting commercial partners from developing innovative solutions,” he said.
One recent success was the team’s development of two technical standards for docking systems and payload interfaces that will help ensure these systems’ compatibility with existing technologies. This work is essential in allowing commercial low Earth orbit systems to seamlessly integrate with NASA’s heritage designs, a key step toward realizing the agency’s vision for sustained commercial operations in space.
When asked about the biggest opportunities and challenges in his role, Chavez emphasizes the importance of early collaboration. By engaging with commercial partners at the early stages of the system development life cycle, NASA can provide feedback that shapes the future of commercial low Earth orbit architecture.
“We identify technical issues and lessons learned without dictating design solutions, allowing for innovation while ensuring safety and reliability,” explained Chavez.
Hector Chavez receives an award from the U.S. Department of Energy. Chavez’s approach to leadership and teamwork is rooted in his values of perseverance, integrity, and encouragement. These principles have helped guide the development of CLDP’s mission and vision statements, creating an environment that promotes collaboration and creativity.
He is passionate about building a team culture where people feel empowered to take responsible risks and explore solutions.
Hector Chavez receives a Silver Snoopy Award with his family at NASA’s Johnson Space Center in Houston. NASA As NASA prepares for Artemis missions and the next generation of space explorers, Chavez offers advice to the Artemis Generation: “Never do it alone. Build a community and find common ground to share a vision.”
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By NASA
Curiosity Navigation Curiosity Home Mission Overview Where is Curiosity? Mission Updates Science Overview Instruments Highlights Exploration Goals News and Features Multimedia Curiosity Raw Images Images Videos Audio More Resources Mars Missions Mars Sample Return Mars Perseverance Rover Mars Curiosity Rover MAVEN Mars Reconnaissance Orbiter Mars Odyssey More Mars Missions The Solar System The Sun Mercury Venus Earth The Moon Mars Jupiter Saturn Uranus Neptune Pluto & Dwarf Planets Asteroids, Comets & Meteors The Kuiper Belt The Oort Cloud 3 min read
Sols 4314-4315: Wait, What Was That Back There?
A view of the right-middle wheel of NASA’s Mars rover Curiosity, one of the rover’s six well-traveled wheels. Curiosity acquired this image using its Mars Hand Lens Imager (MAHLI), located on the turret at the end of the rover’s robotic arm, on Sept. 22, 2024, sol 4312 (Martian day 4,312) of the Mars Science Laboratory Mission, at 18:37:41 UTC. NASA/JPL-Caltech/MSSS Earth planning date: Monday, Sept. 23, 2024
After a busy weekend of activities, Curiosity is ready for another week of planning. One of the activities over the weekend was our periodic check-in on our wheels to see how they are holding up on the rough terrain. The image shows the MAHLI view of the right-middle (RM) wheel, which is still holding up well despite taking some of the worst abuse from Mars.
We are planning contact science with APXS and MAHLI on “Burst Rock,” which is a target that has an interesting texture and has bright-toned clasts and a gray coating. It is part of the Gediz Vallis Ridge channel deposits and will help out understanding of the channel. Unfortunately, it was too rough to brush, but it is clean enough that we can still get good science data.
We are doing a lot of imaging and remote science today. We are taking Mastcam mosaics of multiple targets. “Log Meadow” is a target designed to get a look at the distribution of the white stones in the channel. “Grand Sentinel” is a target on the opposite side of our previous workspace, allowing us to document it from a different angle. “Tunnel Rock” and “Tombstone Ridge” are sedimentary rocks that may have ripple-like layers; examining the layer contours helps inform how rocks were formed. Lastly, “Gravel Ridge” is a target in “Arc Pass” where we are continuing to examine clasts and sedimentary layers. We also take a ChemCam LIBS observation of Log Meadow and a long-distance RMI image of “Chanbank,” another area of white stones. We round it off with a Navcam mosaic of the rover to monitor dust on the deck.
After wrapping up the targeted and contact science, we’re ready to drive. As the science team had time to look a bit more at the data collected in that region, they discovered this target that was worth going back for. We are driving back to the area of the white stones to do more contact science on rocks that look similar to the elemental sulfur we saw earlier this year. Planning ahead, I got to scout this drive on Friday, laying out the safest path and looking for parking spots that were both good for communications as well as for doing contact science. The target “Sheep Creek” is about 50 meters (about 164 feet) to the northeast, which makes the drive a challenge — the resolution of our imagery at that range makes it harder to pinpoint these small rocks. We do have really good imaging in that direction, and the terrain isn’t super scary, so the Rover Planners are going to try to make it in one drive. During the drive, we will be taking a MARDI “sidewalk” movie (a series of images looking below the rover for the entire length of the drive), which will help document the channel. On the second sol of the plan, we do some additional atmospheric and untargeted science. We have a Navcam suprahorizon movie (looking at the crater rim to evaluate dust in the atmosphere) and a dust devil movie. We also have a ChemCam AEGIS observation, where the rover will autonomously select a target to image. Overnight, CheMin does an “empty cell” analysis to confirm that the system is cleaned out and ready for the next sampling campaign.
Written by Ashley Stroupe, Mission Operations Engineer at NASA’s Jet Propulsion Laboratory
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Last Updated Sep 24, 2024 Related Terms
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