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Repairs using light signals


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In the vicinity of black holes, space is so warped that even light rays may curve around them several times. This phenomenon may enable us to see multiple versions of the same thing. While this has been known for decades, only now do we have an exact, mathematical expression.

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Four exoplanets discovered oribiting stars 130 light years from Earth .

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Astronomers make rare sighting of two stars spiraling together by spotting the tell-tale signs of a teardrop-shaped star. Binary star system called HD265435 is located roughly 1,500 light-years away, comprised of a hot subdwarf star and a white dwarf star orbiting each other closely.