Skywatch

  • March 31, 2011

    Episode 326: Steppenwolf Planet

    Download this episode

    Shownotes

    Most of the searches for planets that could support life are focused on looking at stars. For life to form and survive, at least water-based life, the planet needs to be at a particular location in proximity to its star so that the temperature is just right. New computer simulations suggest that life might actually survive on a "rogue planet" that has been ejected from its planetary system through gravitational interaction with other planets. With a blanket of ice and geothermal heating, life on such a wandering planet might exist.... For a while.