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Air bubbles of ancient atmosphere trapped in glacial ice

  • Photo owner: iSGTW
  • Date Taken: July 6, 2009 - 2:37pm
  • Date Uploaded: October 23, 2009 - 10:50am
  • Views: 176
iSGTW story | Image courtesy UCAR.

Polarized light reveals the state of the atmosphere thousands of years ago, in a slice of glacial ice containing bubbles of atmospheric gases trapped eons ago.