David Wills, of Australia, who frequently alerts me to really interesting science stories, reminds me of this fascinating video:
https://www.facebook.com/Universe.Explorers/videos/927204077396637/?pnref=story
If you’re in need of a dose of humility or a bit of awe, have a look. (If you don’t believe that you are in need of some additional humility or awe, you should really take a look.) The video is about three minutes long.
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