What do brown dwarfs teach us about stars? What do they teach us about planets? What keeps them warm, and how long do they live? And are they really brown? I discuss these questions and more in today’s Ask a Spaceman!

Support the show: http://www.patreon.com/pmsutter

All episodes: http://www.AskASpaceman.com

Follow on Twitter: http://www.twitter.com/PaulMattSutter

Like on Facebook: http://www.facebook.com/PaulMattSutter

Watch on YouTube: http://www.youtube.com/PaulMSutter