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• Ancient Earth, Alien Earths Event (201408200008HQ)

  • Uploaded by: NASA HQ PHOTO
  • License: CC BY-NC-ND 2.0
  • 0 comments
  • 3 favorites
  • 12,794 views
  • Date taken: 2014-08-20 18:11:01
  • Date uploaded: 2014-08-21
  • Tags: ancientearthalienearthsevent, drchristopherhouse, earlyearth, habitableplanets, nasa, nasahq, nsf, panelist, panelists, professorofgeosciencesatpennsylvaniastateuniversity, scientists, smithsonianinstitution, webbauditorium, washington, dc, usa, aubreygemignani
  • Visibility: public