Monday, 30 May 2016

Valles Marineris

Valles Marineris, The Grand Canyon of Mars
Image Credit Viking Project, USGS, NASA
(Astronomy Picture of the Day)
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2 comments:

  1. Jonathan31 May 2016 at 01:20

    An impressive sight, Ray.I've never been to our own Grand Canyon, unfortunately.

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    Replies
    1. Rigadoon231 June 2016 at 09:44

      Yes, great photo. I have a friend who was in the States some years ago and went to see the Grand Canyon, he was very impressed.

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