The Margin: NASA is about to crash a spacecraft into an asteroid. Here’s how to watch. Posted on September 26, 2022 By Charlielikes DART aims to knock the asteroid Dimorphos off course in first-ever test of new planetary defense system. Stock Market Tags:'is, ‘a, ‘to, about, an, asteroid, crash?, here’s, how, into’, margin:, market, nasa, spacecraft, stock, stock market, the, watch.