Friday, January 13, 2017

A WONDER OF NATURE - the NGC 6357 nebula:

A composite image showing the NGC 6357 nebula located roughly 5,500 light-years from Earth. The image contains X-ray data from NASA’s Chandra X-ray Observatory and the ROSAT telescope (purple), infrared data from NASA’s Spitzer Space Telescope (orange), and optical data from the SuperCosmos Sky Survey (blue) made by the United Kingdom Infrared Telescope.

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