Study of energy waves formed during the Big Bang supports Einstein?s prediction that a strange, invisible force is pushing the universe apart
Web edition : 4:19 pm
In 1917, the famous German-born physicist ? who studied energy, matter and the interaction between the two ? wrote down his ideas about the shape and size of the universe. But Einstein had a problem. Although he thought the size of the universe was not changing, his mathematical equations showed otherwise. They suggested gravity, a force that brings objects together, would cause the entire universe to shrink. So to make his equations work, he included a kind of fudge factor that would act against gravity. Einstein called this correction the ?cosmological constant.?
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