If the CMB is in all of space, how does the Earth not get cooked in it?

Question

If the CMB is in all of space, how does the Earth not get cooked in it?

In: 255

Answer 1

Cosmic Microwave Background is like a very faint and cold light that’s everywhere in space. It doesn’t cook the Earth because it’s extremely weak, like a tiny nightlight in a huge dark room. It’s not hot enough to heat up our planet.