This post originally appeared in Business Insider.

Produced by Kamelia Angelova, William Wei, and Alana Kakoyiannis.

StarTalk Radio is a podcast and radio program hosted by astrophysicist Neil deGrasse Tyson, where comic co-hosts, guest celebrities, and scientists discuss astronomy, physics, and everything else about life in the universe. Follow StarTalk Radio on Twitter, and watch StarTalk Radio "Behind the Scenes" on YouTube.

See also: Neil deGrasse Tyson: Pluto Is Not a Planet So “Get Over It”