Difference between revisions of "Dark matter"

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(Created page with "'''Dark matter''' is any matter that is not visible from Earth because it is neither luminous nor illuminated. A black hole is an example of dark matter: no light escapes...")
 
(No difference)

Latest revision as of 10:54, 1 February 2013

Dark matter is any matter that is not visible from Earth because it is neither luminous nor illuminated. A black hole is an example of dark matter: no light escapes from it, so it can not be seen directly, but its existence can be inferred from its gravitational effects on visible bodies.