eli5: Why isn’t outer space hot (or at least not freezing)?

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The sun warms up our planet but space is cold. If I lit a candle and stood 20 feet away, I could see the light but not feel the warmth. So, why do we feel warmth from the sun but space isn’t warmed by it?

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Anonymous 0 Comments

The heat from the Sun travels through space but doesn’t collect. It just keeps passing through. Like, if you go outside and stand in the sunlight, you dont get hot immediately. it takes some time to warm you up. Because the heat has to collect on the same spot to make something hot.

So space is cold because the heat doesnt stop and collect in amy spot. Other objects, like Planets, are warm because they collect the heat.

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