Someday there will be “space archeologists” tracking down ancient relics ejected into space. Surely Elon’s Roadster will be among the first sought & recovered.
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Most likely. Look at some items of the Space Race that have been recovered from the ocean after decades such as the Apollo 11 engines and Grissom’s Mercury capsule.
Grissom’s Restored Mercury Capsule is on display in Hutchison, Ks Space Museum. They did a great restoration on it. It’s sort of an out of the way place, but it’s a fabulous museum. I also think it has the Apollo 13 Command Module as well.