I’ve read a 3 month old thread that explains how the light of the sun transfer heat but i was wondering why do the light of other stars don’t seem to affect us.
In: Physics
Whenever you increase your distance from a light source by a certain degree, you reduce the amount of light you get by the square of that degree. So if you moved three times further away from the light source, it appears to be 1/9 as bright.
Other stars are millions of times further away from us at the closest, so if they were exactly as bright as the sun they would appear about 1 quadrillionth as bright. And likewise, that means about a quadrillionth much as heat from them gets to us.
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