For me i would just place like random paintings, like NASA would be very confused on why Mars would have paintings lmao.

  • CallMeTHELazer
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    231 year ago

    Something simple, like a bolt from one of the rovers. But make sure it’s from one that has never been in that half of the planet.

    • Adama
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      1 year ago

      A standard automotive bolt. Maybe something that was ubiquitous in the 1950’s but isn’t used today in place of something cheaper and more reliable