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Results tagged with universe
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user 30416
The universe refers to the cosmos; all of space-time and that which exists as part of it. Alternatively, it can refer to the observable universe, which only contains the part we can see. Questions tagged with this should ask about physics at scales the size of the universe or specific properties of the universe
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How can interstellar space have a temperature of 2-3K?
Several different sources online state that the average temperature of interstellar space (or the universe in general) is around 2-3K. … Is there a (order-of-magnitude) calculation which can show that this average temperature estimation is correct, using an estimation of the average density of interstellar space (or the universe in general …
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