I don't think a photon can exist outside of space, but I'd be very interested to... | Hacker News

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		danwills 9 months ago \| parent \| context \| favorite \| on: Athena landed in a dark crater where the temperatu... 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 9 months ago [–]

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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