09
11
2009
New theory tries to explain missing matter
Posted by: Chris Williamson in Scientific Research
One of the greatest mysteries of astronomy is the problem of the missing mass: All of the matter scientists can see in the universe accounts for only a small percent of the observed gravity.
Astronomers often invoke the concept of dark matter to explain this discrepancy, but some researchers say the problem is really our understanding of gravity. These scientists tout an idea called MOND — Modified Theory of Newtonian Dynamics — to explain why the universe seems to behave as if there’s much more matter in it than we think.
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