Balerion6@lemmy.world to

Showerthoughts@lemmy.worldEnglish · 20 hours ago

Time travel doesn't work unless you also have teleportation. If you travel to the past/future, Earth will be in a different position in its orbit, and you'll die in space.

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Time travel doesn't work unless you also have teleportation. If you travel to the past/future, Earth will be in a different position in its orbit, and you'll die in space.

Balerion6@lemmy.world to

Showerthoughts@lemmy.worldEnglish · 20 hours ago

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8 hours ago
You can measure the Doppler shift relative to the cosmic microwave background though

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