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September 5, 2011

The main image was taken with the Chandra X-ray Space Telescope (in blue) and Hubble Space Telescope optical images (in gold) of the spiral galaxy NGC 3393. Meanwhile, in the small box we see the central region of NGC 3393 in the Chandra image alone.

A galaxy with a pair of black holes at its center

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Polyps photo: US Atmospheric and Oceanic Agency

A romantic sunset / Rebecca Kofei

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