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A group of white and blue stars sparkles in the darkness of space. In the background are orange galaxies, sprinkled all over. Below the stars, orange and yellow clouds of gas glow, revealing structures that look like rock formations and arches.

Far Out

The star cluster Pismis 24 lies within the much larger emission nebula called NGC 6357, located about 8,000 light-years from Earth. The gas below the stars glows through ionization caused by intense ultraviolet radiation from the massive young stars within the cluster.

Image Credit: NASA, ESA and Jesús Maíz Apellániz (Instituto de Astrofísica de Andalucía, Spain); Acknowledgment: Davide De Martin (ESA/Hubble)

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TakenDecember 11, 2006
Image CreditNASA, ESA and Jesús Maíz Apellániz (Instituto de Astrofísica de Andalucía, Spain); Acknowledgment: Davide De Martin (ESA/Hubble)
Size3140x5057px