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Triple Star System May Answer Questions About Gravity

The discovery of a three-star system may yield clues that help scientists define the true nature of gravity. The system, which consists of two white dwarf stars and a superdense pulsar, all packed within a space smaller than Earth's orbit around the Sun, could help resolve outstanding problems with Einstein’s Theory of General Relativity. "This triple system gives us a natural cosmic laboratory far better than anything found before for learning exactly how such three-body...

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