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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Space does not have temperature in the classical sense. Things get hot, like air or water or rocks. There is nothing in space to get hot or cold.
The notion that space is cold is misleading, should you find yourself in full view of the sun in space, you’d get very hot and die.
In shade, not so much, but cooling equipment in space is quite a problem. For the same reason coffee remains hot in a thermos.
If you found yourself in shade in space, you’d freeze, but it would take a while.
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