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Template:POTD/2023-01-08

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Elephant's Trunk Nebula
The Elephant's Trunk Nebula is a concentration of interstellar gas and dust within the much larger ionized gas region IC 1396 located in the constellation Cepheus about 2,400 light-years away from Earth. The combined action of the light from the massive star ionizing and compressing the rim of the cloud, and the wind from the young stars shifting gas from the center outward led to very high compression in the nebula. This pressure has triggered the current generation of protostars. This photograph of the Elephant's Trunk Nebula was taken with a 127 mm (5.0 in) refracting telescope.Photograph credit: Chuck Ayoub