ravell Posted April 30, 2017 Share Posted April 30, 2017 I have a question, is there any explanation what happens to the energy emitted by the Sun (3,864E + 26W) and all other stars in the Universe, altogether about 2E + 22 suns, giving total power of 7,728E + 39GW (!), constantly pumped into space of the Universe? Link to comment Share on other sites More sharing options...
StringJunky Posted April 30, 2017 Share Posted April 30, 2017 The photons and other ejecta keep on travelling until they bump into something Link to comment Share on other sites More sharing options...
Strange Posted April 30, 2017 Share Posted April 30, 2017 So a tiny proportion of it warms the Earth (and provides almost every source of energy). Link to comment Share on other sites More sharing options...
EdEarl Posted April 30, 2017 Share Posted April 30, 2017 Even heat from the Earth eventually ends up traveling in space like the photons that didn't encounter anything in space. It seems they do not have to hit anything and might travel forever. Link to comment Share on other sites More sharing options...
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