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The Motherboard Forum Index 8th PeriodMT Homework 9/5/07 Cosmic Microwave Background
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Wed Sep 05, 2007 10:41 am
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smorton
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Post subject: Homework 9/5/07 Cosmic Microwave Background
What is Cosmic Microwave Background (CMB)? Seach the internet, give a short description, and paste your link here.
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Wed Sep 05, 2007 5:24 pm
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owentworth
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Post subject: From Oliver
Morton,

CMB is a form of electromagnetic radiation that fills the entire universe. It is invisible to the naked eye and is very cold, about 2.2275 C. CMB is used by astronomers to study history of stars. Apparently stars emit it and as the CMB is emitted at our equipment we can get a good picture of how big the universe is.

Reference:
Wikipedia
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Wed Sep 05, 2007 8:11 pm
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smorton
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Very good Oliver!
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Wed Sep 05, 2007 10:56 pm
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rpreganz
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It is the electromagnetic radiation that fills the entire universe and is a part of the evidence for the Big Bang theroy.
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