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From gold rush to cosmic questions: a South Dakota mine and the search for the secrets of the universe
purpose isn't about what you think it's about. #cosmos
5:50 PM · Oct 31, 2026
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Replying to @the_taylor
Replying to @the_taylor
Replying to @the_taylor
Replying to @the_taylor
Replying to @the_taylor
Replying to @the_taylor
Replying to @the_taylor
Replying to @the_taylor