Fairy Tales in Cosmology : Cosmic Microwave Background

Physicist Despairs over Vacuum Energy https://www.youtube.com/watch?v=bl_wGRfbc3w

It is insane to be "very, very confused about what vacuum energy is" and at the same time to be sure that the noise known as CMB (cosmic microwave background) is not a product of this energy but just traverses it, unchanged, and proves the expansion of the universe (disproves the "tired light" hypothesis).

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