![Spacepod show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/068/533/small/spacepod.jpg)
Summary: Professor Cristina Thomas talks about NASA's first planetary defense mission: DART. DART is a spacecraft that will impact a tiny asteroid moon. She explains why ground-based telescope observations are key to the mission's success.
Summary: Professor Cristina Thomas talks about NASA's first planetary defense mission: DART. DART is a spacecraft that will impact a tiny asteroid moon. She explains why ground-based telescope observations are key to the mission's success.