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winwang
10 months ago
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Athena landed in a dark crater where the temperatu...
Is that really "space" as opposed to "the lingering effects of the big bang"? (or less interestingly, the temperature of the CMB photon gas)
danwills
10 months ago
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I don't think a photon can exist outside of space, but I'd be very interested to hear of any alternate points of view on that!
winwang
10 months ago
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What I mean is that isn't the temperature of "space" -- if we're being pedantic. Such a temperature would presumably be measured by the blackbody radiation of... space, if space were a blackbody.
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