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Astronomy Picture of Day: NGC 1068 and X-ray Flas
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Astronomy Picture of Day: NGC 1068 and X-ray Flas# Astronomy - 天文
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NGC 1068 and the X-Ray Flashlight
Credit: X-ray: P. Ogle (UCSB) et al.; Optical: A.Capetti (INAF) et al.; CXO, STScI, NASA
Explanation: At night, tilting a flashlight up under your chin hides the glowing bulb from the
direct view of your friends. Light from the bulb still reflects from your face though, and can
give you a startling appearance. Spiral Galaxy NGC 1068 may be playing a similar trick on a
cosmic scale, hiding a central powerful source of x-rays -- likely a supermassive black hole --
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