Just in case you missed yesterday's Double Asteroid Redirection Test (DART) impact, here is a sped-up version of the last five-and-a-half minutes of images from the spacecraft before it went boom. DART is a mission designed to test the kinetic impactor method of deflecting asteroids. Basically, we want to know if we can move asteroids on course for Earth by hitting them really, really hard. Yesterday's target was the asteroid moon Dimorphos. It orbits a larger asteroid named Didymos, which is vi

🛰️ Earth had two asteroid near-misses in one day, one completely undetected until afterward. | Chron