2026-08-04 21:25 UTC
Useful tip for time travelers: You'd need to bring breathing equipment with you for 90% of Earth history. Oxygen levels sufficient for human life did not exist until the Devonian era, around 400 million years ago.
#science #history #earth
Replies (2)
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@alien@mastodon.green 2026-08-04 21:54
@coreyspowell@mastodon.social shoot, thank you, thankfully you told me in time for my next time trip
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@hackbarth@ursal.zone 2026-08-05 12:46
@coreyspowell@mastodon.social Not much to see there too, if you are not a fan of rocks. I suppose the moon is very impressive early on though.