Dark Matter

Essay specific features

 

Issue:

Miscellaneous

 

Written by:

Derek L

 

Date added:

May 9, 2013

 

Level:

University

 

Grade:

A

 

No of pages / words:

4 / 918

 

Was viewed:

629 times

 

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Essay content:

Hence we infer that there is non-luminous matter in the Universe, i.e. there is dark matter. Dark matter has important consequences for the evolution of the Universe. According to standard cosmological theory, the Universe must conform to one of three possible types: open, flat, or closed. A parameter known as the "mass density" - that is, how much matter per unit volume is contained in the Universe - determines which of the three possibilities applies to the Universe...
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A parameter known as the "mass density" - that is, how much matter per unit volume is contained in the Universe - determines which of the three possibilities applies to the Universe. In the case of an open Universe, the mass density (denoted by the Greek letter Omega) is less than unity, and the Universe is predicted to expand forever...
displayed 300 characters

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