Are we really crashing a spacecraft into an asteroid? We sure are — all in the name of planetary defense. The #DARTMission is a technology test to see if an impactor could change the trajectory of an asteroid. Nancy Chabot of the Johns Hopkins University Applied Physics Laboratory tells us more. <br /><br />Learn more about this first-of-its-kind mission: <a href="https://www.nasa.gov/dartmission" target="_blank" rel="nofollow">https://www.nasa.gov/dartmission</a><br /><br />Producers: Jessica Wilde & Scott Bednar <br />Editor: Matthew Schara<br />...<br /><a href="https://www.youtube.com/watch?v=vhpzke-2tGU" target="_blank" rel="nofollow">https://www.youtube.com/watch?v=vhpzke-2tGU</a>