How DART Scientists Know the Experiment to Shove an Asteroid Actually Worked
by George Dvorsky from on (#64QY9)
Earlier this week, NASA announced that its DART spacecraft successfully moved an asteroid by a few dozen feet. This raises a valid question: How the heck did scientists figure this out, given that Dimorphos is nearly 7 million miles away? Needless to say, this task required some clever astronomy and a veritable...