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Articles sur NASA

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Didymos (bottom right) and its smaller moonlet Dimorphos (center) were the targets of the Double Asteroid Redirection Test. NASA/Johns Hopkins APL

NASA crashed a spacecraft into an asteroid – photos show the last moments of the successful DART mission

The Double Asteroid Redirection Test successfully showed that it is possible to crash a spacecraft into a small asteroid. Whether the approach could save Earth from a future threat remains to be seen.
Flying into Hurricane Harvey aboard a a P-3 Hurricane Hunter nicknamed Kermit in 2018. Lt. Kevin Doreumus/NOAA

Hurricane hunters are flying through Ian’s powerful winds to forecast intensity – here’s what happens when the plane plunges into the eyewall of a storm

The meteorologist leading NOAA’s 2022 hurricane field program describes flying through eyewalls and the technology in these airborne labs for tracking rapid intensification in real time.
Astronomers think the most likely place to find life in the galaxy is on super-Earths, like Kepler-69c, seen in this artist’s rendering. NASA Ames/JPL-CalTech

Super-Earths are bigger, more common and more habitable than Earth itself – and astronomers are discovering more of the billions they think are out there

Newly discovered super-Earths add to the list of planets around other stars that offer the best chance of finding life. An astronomer explains what makes these super-Earths such excellent candidates.
Private companies have launched dozens of imaging satellites – like the two small boxes in the middle of the photo – into orbit in recent years. NASA/Steve Jurvetson

War in Ukraine highlights the growing strategic importance of private satellite companies – especially in times of conflict

Private satellite companies have boomed in recent years, and many experts have wondered what role they would play in a conflict. They have proved to be invaluable to Ukraine in recent months.
Russia controls six modules aboard the International Space Station. STS-122 Shuttle Crew, NASA via flickr

Russia’s withdrawal from the International Space Station could mean the early demise of the orbital lab – and sever another Russian link with the West

The head of the Russian space agency announced that the country will withdraw from the International Space Station after 2024. A space policy expert explains what this means and why it’s happening now.

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