Physicists think the answer lies with dark matter, an invisible form of matter that accounts for that extra gravity they’re observing. University of Washington physicist Alvaro Chavarria helped build ...
A good chunk of cosmology is riding on whether dark matter exists or not. But what makes us so certain that dark matter is ...
Dark matter is an elusive type of matter that does not emit, absorb or reflect light, interacting very weakly with ordinary matter. These characteristics make it impossible to detect using ...
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