NASA’s DART mission is on course to slam into the asteroid Dimorphos on Monday.
. The most exciting images from LICIACube should be available within 24 hours of the crash, says Simone Pirrotta, the probe’s project manager at the Italian space agency ASI in Rome.
The impact might not leave behind a crater if Dimorphos absorbs much of DART’s kinetic energy, says Adriano Campo Bagatin, a planetary scientist at the University of Alicante in Spain. Visits to other asteroids have shown just how complicated and surprising space rocks can be. Beginning in 2018, for example, NASA’s OSIRIS-REx spacecraft spent two years orbiting and studying the asteroid Bennu, but
, Bennu turned out to be a loose collection of pebbles that responded in unexpected ways to the sampling arm.With Dimorphos, it will take days to weeks before mission scientists can confirm whether the test worked. The goal is to speed up Dimorphos’s orbit, cutting the time it takes to travel around Didymos by 10–15 minutes .
The agency is surveying the cosmos for threatening asteroids, but the project is behind schedule. With the telescopes currently available on Earth, it would take another three decades to finish. And this year, NASA delayed the launch of a long-awaited space telescope that would help hunt these asteroids, from 2026 to no earlier than 2028.
“The most important thing to keep in mind about any of these deflection techniques is they rely on having enough time to work,” says Amy Mainzer, a planetary scientist at the University of Arizona in Tucson and principal investigator of the planned telescope. “The key is finding objects well ahead of any potential impact.”
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DART asteroid-smashing mission 'on track for an impact' Monday, NASA saysBrett is a science and technology journalist who is curious about emerging concepts in spaceflight and aerospace, alternative launch concepts, anti-satellite technologies, and uncrewed systems. Brett's work has appeared on The War Zone at TheDrive.com, Popular Science, the History Channel, Science Discovery, and more. Brett has English degrees from Clemson University and the University of North Carolina at Charlotte. In his free time, Brett is a working musician, a hobbyist electronics engineer and cosplayer, an avid LEGO fan, and enjoys hiking and camping throughout the Appalachian Mountains with his wife and two children.
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