Are we alone in the Universe?
8 Questions

Astrobiology: Are We Alone in the Universe?

A quiz aligned with the interactive "Stories of Life" learning experiences on #Infiniscope, an SMD project powered by NASA.

  1. True or False: There is only one planet known for certain to have life.
  2. Approximately, how many extrasolar planets (outside our solar system) have been discovered?
  3. … and 5 more awesome questions! Check them out by clicking “Play”.