Wednesday, July 20, 2011

Before they collide in nearly a million years, two newfound stars may offer insight into supernovae and Einstein's gravity.



When two such massive objects are whirling around each other, they stir up the space-time fabric, creating ripples like those made by a stone thrown into a pond. As these ripples, called gravitational waves, are produced, the star pair loses some of its energy, causing their orbits to slowly shrink.
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