02 August 2022

Do You Get Often Post From Mars?


Barchan Sand Dunes
This 2016 Mars Reconnaissance Orbiter image provides a view of barchan sand dunes, which is the term for any crescent-shaped dune. The shape of the dunes pictures here suggest two intersecting wind currents blowing from different directions.


Sent by Bryon (the UN).
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2 comments:

  1. Bryon D03 August, 2022

    Not often. I wonder how many Postcrossers live on Mars?

    ReplyDelete
    Replies
    1. Mail Adventures03 August, 2022

      It is one of those "rare countries" on Postcrossing ;)

      Delete

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