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Thread: Dark Matter
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01-07-2010, 05:48 PM #1
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Thanked: 735Dark Matter
In astronomy and cosmology, dark matter is a theoretical form of matter that is undetectable by its emitted radiation, but whose presence can be inferred from gravitational effects on visible matter.[1] According to present observations of structures larger than galaxies, as well as Big Bang cosmology, dark matter and dark energy could account for the vast majority of the mass in the observable universe.
Theoretical
Undetectable
Presence can be inferred from...
"could account for..."
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