"Venus is too hot, Mars is too cold, and Earth is just right," says planetary scientist Dave Brain. But why? In this pleasantly humorous talk, Brain explores the fascinating science behind what it takes for a planet to host life — and why humanity may just be in the right place at the right time when it comes to the timeline of life-sustaining planets.

English
  • Episode Number 150
  • DVD Season & Episode Number
  • Absolute Episode Number
  • Originally Aired Friday, August 12, 2016
  • Production Code
  • Directors
  • Writers
  • Guest Stars Dave Brain
  • Is Movie
  • IMDB
  • Last Updated By Pond247
  • Last Updated 10/18/2016 1:46pm