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Hera takes flight: Didymos, here we come
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By European Space Agency
Video: 01:08:00 Watch the replay of our Hera mission Mars flyby event. On 12 March 2025, ESA’s Hera mission came to within 5000 km of the surface of the red planet and 300 km of Mars’s more distant and enigmatic moon Deimos. During this flyby, Hera performed observations of both Mars and the city-sized Deimos. Hera then needed to swing its High Gain Antenna back to Earth to transmit its data home. On Thursday, 13 March, these images were premiered by Hera’s science team from ESA’s ESOC mission control centre in Darmstadt, Germany, explaining what they reveal, during our public webcast starting at 11:50 CET. The team was joined by ESA astronaut Alexander Gerst and renowned science fiction writer Andy Weir, author of The Martian and Project Hail Mary, as well as a surprise special guest!
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By European Space Agency
While performing yesterday’s flyby of Mars, ESA’s Hera mission for planetary defence made the first use of its payload for scientific purposes beyond Earth and the Moon. Activating a trio of instruments, Hera imaged the surface of the red planet as well as the face of Deimos, the smaller and more mysterious of Mars’s two moons.
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By European Space Agency
Video: 00:03:21 Meet Hera, our very own asteroid detective. Together with two CubeSats – Milani the rock decoder and Juventas the radar visionary – Hera is off on an adventure to explore Didymos, a double asteroid system that is typical of the thousands that pose an impact risk to planet Earth.
In September 2022 NASA’s DART spacecraft tested if it was possible to divert an asteroid by giving it a shove – and found out that it was! Important knowledge, should we wish to avoid going the same way as the dinosaurs. Astronomers can observe from afar how the smaller asteroid’s orbit has shifted since DART’s impact, but there is still a missing piece of the puzzle if we want to fully understand how ‘kinetic impacting’ works in practice. Suitable for kids and adults alike, this episode of ‘The Incredible Adventures of Hera’ explains what ESA’s asteroid detective and its CubeSat assistants are doing on their cosmic roadtrip through space towards the asteroid, and why it involves skimming close to Mars.
Watch the other episodes of The Incredible Adventures of the Hera Mission
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By European Space Agency
Video: 00:02:43 On 12 March 2025 ESA’s Hera spacecraft for planetary defence performs a flyby of Mars. The gravity of the red planet shifts the spacecraft’s trajectory towards the Didymos binary asteroid system, shortening its trip by months and saving substantial fuel.
This is a simulation of that flyby, sped up 500 times, with closest approach to Martian moon Deimos taking place at 12:07 GMT and Mars occurring at 12:51 GMT. It was made using SPICE (Spacecraft, Planet, Instrument, C-matrix, Events) software. Produced by a team at ESA’s ESAC European Space Astronomy Centre, this SPICE visualisation is used to plan instrument acquisitions during Hera’s flyby.
Hera comes to around 5000 km from the surface of Mars during its flyby. It will also image Deimos, the smaller of Mars’s two moons, from a minimum 1000 km away (while venturing as close as 300 km). Hera will also image Mars’s larger moon Phobos as it begins to move away from Mars. In this sped-up simulation, Deimos is seen 30 seconds in, at 12:07 GMT, while the more distant star-like Phobos becomes visible at two minutes in, at 12:49 GMT.
The spacecraft employs three of its instruments over the course of these close encounters, all located together on the ‘Asteroid Deck’ on top of Hera:
Hera’s Asteroid Framing Camera is formed of two redundant 1020x1020 pixel monochromatic visible light cameras, used for both navigation and science.
The Thermal Infrared Imager, supplied by the Japanese Aerospace Exploration Agency, JAXA, images at mid-infrared wavelengths to determine surface temperatures.
Hera’s Hyperscout H is a hyperspectral imager, observing in 25 visible and near-infrared spectral bands to prospect surface minerals.
Did you know this mission has its own AI? You can pose questions to our Hera Space Companion!
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By NASA
3 min read
Preparations for Next Moonwalk Simulations Underway (and Underwater)
NASA / Lillian Gipson NASA has selected three university teams to help solve 21st century aviation challenges that could transform the skies above our communities.
As part of NASA’s University Leadership Initiative (ULI), both graduate and undergraduate students on faculty-led university teams will contribute directly to real-world flight research while gaining hands-on experience working with partners from other universities and industry.
By combining faculty expertise, student innovation, and industry experience, these three teams will advance NASA’s vision for the future of 21st century aviation.
koushik datta
NASA Project Manager
This is NASA’s eighth round of annual ULI awards. Research topics include:
New aviation systems for safer, more efficient flight operations Improved communications frequency usage for more effective and reliable information transfer Autonomous flight capabilities that could advance research in areas such as NASA’s Advanced Air Mobility mission “By combining faculty expertise, student innovation, and industry experience, these three teams will advance NASA’s vision for the future of 21st century aviation,” said Koushik Datta, NASA University Innovation project manager at the Agency’s Ames Research Center in California.
This eighth round of annual ULI selections would lead to awards totaling up to $20.7 million for the three teams during the next three years. For each team, the proposing university will serve as lead. The new ULI selections are:
Florida Institute of Technology, Melbourne, Florida
The team will create a framework for developing trustworthy increasingly autonomous aviation safety systems, such as those that could potentially employ artificial intelligence and machine learning.
Team members include: The Pennsylvania State University in University Park; North Carolina Agricultural and Technical State University in Greensboro; University of Florida in Gainesville; Stanford University in California; Santa Fe Community College in New Mexico; and the companies Collins Aerospace of Charlotte in North Carolina; and ResilienX of Syracuse, New York.
University of Colorado Boulder
This team will investigate tools for understanding and leveraging the complex communications environment of collaborative, autonomous airspace systems.
Team members include: Massachusetts Institute of Technology in Cambridge; The University of Texas at El Paso; University of Colorado in Colorado Springs; Stanford University in California; University of Minnesota Twin Cities in Minneapolis, North Carolina State University in Raleigh; University of California inSanta Barbara; El Paso Community College in Texas; Durham Technical Community College in North Carolina; the Center for Autonomous Air Mobility and Sensing research partnership; the company Aurora Flight Sciences, a Boeing Company, in Manassas, Virginia; and the nonprofit Charles Stark Draper Laboratory in Cambridge, Massachusetts.
Embry-Riddle Aeronautical University, Daytona Beach, Florida
This team will research continuously updating, self-diagnostic vehicle health management to enhance the safety and reliability of Advanced Air Mobility vehicles.
Team members include: Georgia Institute of Technology in Atlanta; The University of Texas at Arlington; University of Southern California in Los Angeles; the company Collins Aerospace of Charlotte, North Carolina; and the Argonne National Laboratory.
NASA’s ULI is managed by the agency’s University Innovation project, which also includes the University Student Research Challenge and the Gateways to Blue Skies competition.
Watch the NASA Aeronautics solicitations page for the announcement of when the next opportunity will be to submit a proposal for consideration during the next round of ULI selections.
About the Author
John Gould
Aeronautics Research Mission DirectorateJohn Gould is a member of NASA Aeronautics' Strategic Communications team at NASA Headquarters in Washington, DC. He is dedicated to public service and NASA’s leading role in scientific exploration. Prior to working for NASA Aeronautics, he was a spaceflight historian and writer, having a lifelong passion for space and aviation.
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Last Updated Mar 10, 2025 EditorJim BankeContactSteven Holzsteven.m.holz@nasa.gov Related Terms
University Leadership Initiative Aeronautics Flight Innovation Transformative Aeronautics Concepts Program University Innovation View the full article
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