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boundegar t1_iu0tcwv wrote

Well it was only recently observed, and I don't think there's anything but a name - dark energy. But a name is not an explanation - it may as well be named Bob.

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[deleted] OP t1_iu0uofe wrote

Expanding Space was "Observed", Dark Energy is dark for a reason.

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Bensemus t1_iu16tu9 wrote

Dark energy is the name of the cause of the expanding space. What it actually is isn’t known.

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