If the Sun is able to keep Earth warm while being millions of miles away, shouldn’t it get warmer and warmer the closer you get to it (like when you go to space)? Like how it would get warmer if you were to approach a burning house for example?
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As the other person already said physically speaking, heat is the amount of energy that an atom has. So if the rays from the sun arrive in our atmosphere there are plenty of atoms that „receive“ this energy from the ray. But until the ray reaches our atmosphere and earth there are no(almost no) atoms. If I remember correctly 6 electrons per m^3 and therefore no atoms to give that energy to and make it hot.
Similar as with sound. The soundwaves in space are still „there“. There is just no medium to carry the wave anywhere so we don‘t hear anything.
But, I think it‘s called heat potential, atleast that‘s what it‘s called in my native language, is way higher in space and increases the closer you get to the sun. Heat potential basically means, how hot would something be if it were in a certain place.
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