Why is space cold if there’s no matter in it?
In: Physics
I can’t give a thorough answer, but matter holds and conducts heat, which is why you can feel heat. For instance, part of the reason that earth is warm is because of the greenhouse gases creating a sort of bubble around earth that keeps the heat bouncing around inside, creating our atmosphere. Beyond that barrier everything is different and it gets very cold. Everything is open and flows freely. And back to the first thing, matter is what holds heat or energy. That’s why when the air is more humid, there is more water in there, it can feel hotter than it really is, because the water is such a great conductor of the heat. Likewise when it’s cold, which is why you sweat to cool off (as the water/sweat evaporates off you it pulls the energy with it). I’m sorry this is a very complicated answer, I hope someone else can provide a better one
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