PBS Space Time

PBS Space Time

Extinction by Gamma-Ray Burst (2017x45)

Season finale

Air date: Dec 20, 2017

Find out about the last time and the next time the Earth will be hit by a Gamma-ray Burst.

  • Rank #
  • Premiered: Feb 2015
  • Episodes: 391
  • Followers: 0
  • Running
  • PBS
  • Wednesday at 12