Significance of dark matter
Name: Becky A Cbuttitta
What is the significance of dark matter, in other words, what would it help
explain for us and why?
There seems to be more mass in the universe than is visible. Dark matter
fills this gap. The presence of extra mass is deduced by observing veloci-
ties of stars in galaxies, and galaxies in clusters of galaxies.
Jasjeet S Bagla
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Update: June 2012