lundi 30 janvier 2017

Why does maps of the CMB not show the Milky way?

I have looked at some maps of the Cosmic Microwave Background, such as the one in the Wikipedia article on the CMB:

I wonder why the Milky way is not visible as a smudge across the cosmic equator. Do these microwaves pass right through a galaxy without being absorbed in any way?

via International Skeptics Forum

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