How to watch a NASA spacecraft smash into an asteroid live Posted on September 22, 2022 By Charlielikes UPDATED: On Monday, as part of the DART mission, NASA will send a spacecraft to collide with Dimorphos, a never-before-seen asteroid. Here is how you can watch it happen live. Tech Tags:‘a, ‘to, an, asteroid, how, into’, live’, nasa, smash, spacecraft, tech, technology, watch.