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Introducing ESA Careers Week: 2-5 May 2022
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By European Space Agency
Video: 00:06:15 English
From 7 to 11 April, ESA's Centre for Earth Observation in Frascati, ESRIN, hosted the 2025 edition of ESA School Days, welcoming almost 1400 young students.
The event kicked off with primary school students (4th and 5th grades) visiting during the first three days, followed by secondary school students on the final two days.
Throughout the week, 35 schools from across Italy engaged in presentations and laboratories, delving into the diverse space activities conducted at ESA’s establishment.
This initiative, which included contributions from ESERO Italia and the Italian Space Agency (ASI), aims to inspire and engage the next generation of STEM students by sharing knowledge about space and the European Space Agency.
Italian
Dal 7 all'11 aprile, ESRIN, il Centro per l'Osservazione della Terra dell'ESA a Frascati, ha ospitato l'edizione 2025 degli ESA School Days, accogliendo quasi1 400 giovani studenti. L'evento ha preso il via con la visita degli studenti delle scuole primarie (classi quarte e quinte) durante i primi tre giorni, seguiti dagli studenti delle scuole secondarie nei due giorni finali.
Per tutta la settimana, 35 scuole da tutta Italia si sono cimentate in presentazioni e laboratori, approfondendo la loro conoscenza delle diverse attività spaziali condotte presso lo stabilimento dell'ESA.
L'iniziativa, che ha visto il contributo di ESERO Italia e dell'Agenzia Spaziale Italiana (ASI), mira a ispirare e coinvolgere la prossima generazione di studenti STEM condividendo le conoscenze sullo spazio e sull'Agenzia Spaziale Europea.
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By NASA
3 min read
Preparations for Next Moonwalk Simulations Underway (and Underwater)
NASA’s Curiosity Mars rover sees its tracks receding into the distance at a site nicknamed “Ubajara” on April 30, 2023. This site is where Curiosity made the discovery of siderite, a mineral that may help explain the fate of the planet’s thicker ancient atmosphere.Credit: NASA/JPL-Caltech/MSSS New findings from NASA’s Curiosity Mars rover could provide an answer to the mystery of what happened to the planet’s ancient atmosphere and how Mars has evolved over time.
Researchers have long believed that Mars once had a thick, carbon dioxide-rich atmosphere and liquid water on the planet’s surface. That carbon dioxide and water should have reacted with Martian rocks to create carbonate minerals. Until now, though, rover missions and near-infrared spectroscopy analysis from Mars-orbiting satellites haven’t found the amounts of carbonate on the planet’s surface predicted by this theory.
Reported in an April paper in Science, data from three of Curiosity’s drill sites revealed the presence of siderite, an iron carbonate mineral, within the sulfate-rich rocky layers of Mount Sharp in Mars’ Gale Crater.
“The discovery of abundant siderite in Gale Crater represents both a surprising and important breakthrough in our understanding of the geologic and atmospheric evolution of Mars,” said Benjamin Tutolo, associate professor at the University of Calgary, Canada, and lead author of the paper.
To study the Red Planet’s chemical and mineral makeup, Curiosity drills three to four centimeters down into the subsurface, then drops the powdered rock samples into its CheMin instrument. The instrument, led by NASA’s Ames Research Center in California’s Silicon Valley, uses X-ray diffraction to analyze rocks and soil. CheMin’s data was processed and analyzed by scientists at the Astromaterials Research and Exploration Science (ARES) Division at NASA’s Johnson Space Center in Houston.
“Drilling through the layered Martian surface is like going through a history book,” said Thomas Bristow, research scientist at NASA Ames and coauthor of the paper. “Just a few centimeters down gives us a good idea of the minerals that formed at or close to the surface around 3.5 billion years ago.”
The discovery of this carbonate mineral in rocks beneath the surface suggests that carbonate may be masked by other minerals in near-infrared satellite analysis. If other sulfate-rich layers across Mars also contain carbonates, the amount of stored carbon dioxide would be a fraction of that needed in the ancient atmosphere to create conditions warm enough to support liquid water. The rest could be hidden in other deposits or have been lost to space over time.
In the future, missions or analyses of other sulfate-rich areas on Mars could confirm these findings and help us better understand the planet’s early history and how it transformed as its atmosphere was lost.
Curiosity, part of NASA’s Mars Exploration Program (MEP) portfolio, was built by NASA’s Jet Propulsion Laboratory, which is managed by Caltech in Pasadena, California. JPL leads the mission on behalf of NASA’s Science Mission Directorate in Washington.
For more information on Curiosity, visit:
https://science.nasa.gov/mission/msl-curiosity
News Media Contacts
Karen Fox / Molly Wasser
NASA Headquarters, Washington
202-358-1600
karen.c.fox@nasa.gov / molly.l.wasser@nasa.gov
Andrew Good
Jet Propulsion Laboratory, Pasadena, Calif.
818-393-2433
andrew.c.good@jpl.nasa.gov
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Last Updated Apr 17, 2025 Related Terms
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By European Space Agency
Registrations are now open for the European Space Agency’s Living Planet Symposium (LPS) – one of the largest Earth observation conferences in the world. The event will take place on 23–27 June 2025 in Vienna, Austria.
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By European Space Agency
Week in images: 07-11 April 2025
Discover our week through the lens
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By European Space Agency
Video: 00:09:17 Meet Aleš Svoboda— A skilled pilot with over 1500 flight hours, Aleš holds a PhD in aircraft and rocket technology and has commanded Quick Reaction Alerts. From flying high to training underwater, he’s always ready to take on new challenges—now including astronaut reserve training with ESA.
In this miniseries, we take you on a journey through the ESA Astronaut Reserve, diving into the first part of their Astronaut Reserve Training (ART) at the European Astronaut Centre (EAC) near Cologne, Germany. Our “ARTists” are immersing themselves in everything from ESA and the International Space Station programme to the European space industry and institutions. They’re gaining hands-on experience in technical skills like spacecraft systems and robotics, alongside human behaviour, scientific lessons, scuba diving, and survival training.
ESA’s Astronaut Reserve Training programme is all about building Europe’s next generation of space explorers—preparing them for the opportunities of future missions in Earth orbit and beyond.
This interview was recorded in November 2024.
You can listen to this episode on all major podcast platforms.
Keep exploring with ESA Explores!
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