black holes

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Take a picture of a black hole

Black holes are out of sight. Not because astronomers do it at night, but because even light can not escape the enormous gravity pull of a compact object like a black hole. Nevertheless, they can…

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Looking at grampa and grammy

Wanna know how your ancestors looked like? The Spitzer telescope might show you how. New observations from NASA’s Spitzer Space Telescope strongly suggest that infrared light detected in a prior study originated from clumps of…