this post was submitted on 18 Mar 2024
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Astronomy

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Heh

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[–] SkyeStarfall@lemmy.blahaj.zone 6 points 7 months ago* (last edited 7 months ago)

The energy is actually not conserved across the universe in general relativity, as it is currently understood. Conversation of energy is due to the time symmetry, which the expansion of space breaks.