May 23, 2024

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What DART scientists have learned about the asteroid Didymos so far

a rocky egg-shaped asteroid

A spacecraft colliding with an asteroid isn’t NASA’s usual approach to planetary science, but it was certainly an opportunity nonetheless.

NASA’s Double Asteroid Redirection Test (Arrow) A spacecraft collided with a small asteroid called Demorphos on September 26 to test a potential technology to protect Earth, if we find ourselves on a collision course with a large space rock. But the impact has also given planetary scientists a close, if fleeting, view of the smallest asteroid No spacecraft you’ve visited so far.