Cosmic background radiation is well explained as radiation left over from an early stage in the development of the universe, and its discovery is considered a landmark test of the Big Bang model of the universe. When the universe was young, before the formation of stars and planets, it was smaller, much hotter, and filled with a uniform glow from its white-hot fog of hydrogen plasma.
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Tags: Cosmic Microwave Background Radiation 2
Uploaded by: second ( Send Message ) on 12-12-2011.
Duration: 7m 16s