APOD: photo by Farmakopoulos Antonis; The California Nebula; Is in the Orion Arm of the Milky Way, as does our Sun, about 1500 ly distance. Also known as NGC 1499, is an emission nebula; The bright star to the right is most likely providing the starlight that ionizes much of the nebula's gas; located in Perseus, not far from the Pleiades.

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The Orion Nebula spans about 40 light years and is located about 1500 light years away in the same spiral arm of our Galaxy as the Sun.

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Rigel and the Witch Head Nebula

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Part of the larger constellation Orion, the Horsehead Nebula is captured in infrared wavelengths for the first time. (Image courtesy STScI/AURA/ESA/NASA) See more of the week's best space photos: http://on.natgeo.com/11CwnUo

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LL Ori a mlhovina Orion

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Referencias a imágenes sobre el espacio exterior, planetas, galaxias etc.

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The Great Nebula in Orion is a intriguing place. Visible to the unaided eye, it appears as a small fuzzy patch in the constellation of Orion. But this image, an illusory-color composite of four colors of infrared light taken with the Earth orbiting WISE observatory, shows the Orion Nebula to be a bustling neighborhood or recently formed stars, hot gas, and dark dust.

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The Andromeda Galaxy, also known as Messier 31, M31, or NGC 224

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A beautiful NASA picture.

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