This cloud of glowing gas is the Iris nebula, as seen in infrared light by NASA’s Spitzer Space Telescope. The main cluster of stars within the nebula is called NGC 7023. It lies 1,300 light-years away in the Cepheus constellation.

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Туманность Ирис. (NASA/JPL-Caltech)

Туманность Ирис. (NASA/JPL-Caltech)



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