New Horizons Is Now So Far Away, It Can Measure The True Darkness of Space.

teft@startrek.website to Space@beehaw.org – 36 points –
New Horizons Is Now So Far Away, It Can Measure The True Darkness of Space
sciencealert.com
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Well now you've got me wondering... how long after the heat-death of the universe before all of the traveling photons have been extinguished? How old will the universe be before it truly goes dark?

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