Submitted by IslandChillin t3_10pdzx3 in space
big_duo3674 t1_j6lyn9m wrote
Reply to comment by trimeta in Perseverance Mars rover drops 10th sample, completing depot by IslandChillin
To add on to the other comment, these deposits are made in very carefully selected locations that would be used as a backup in case the main samples are unable to successfully be returned to earth. They'll get a little dusty, but with the way it works on Mars they will be able to sit perfectly sealed for many years before they'll be covered with enough dust to be hard to locate
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