Crab nebula

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Portal:Space/Featured
Crab Nebula, by Hubble Space Telescope - This is a mosaic image, one of the largest ever taken by NASA's Hubble Space Telescope of the Crab Nebula, a six-light-year-wide expanding remnant of a star's supernova explosion. Japanese and Chinese astronomers recorded this violent event nearly 1,000 years ago in 1054, as did, almost certainly, Native Americans. - Portal:Space/Featured.
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Orion Nebula in Oxygen, Hydrogen, and Sulfur Image Credit: César Blanco González
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Near the "sword" of the constellation Orion lies an active stellar nursery containing thousands of young stars and developing protostars. Stars more massive than our sun light the Orion nebula, seen here as the bright region near the center of the image
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Orion Nebula in Oxygen, Hydrogen, and Sulfur Image Credit Copyright: César Blanco González, 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. The Great Nebula in Orion can be found with the unaided eye just below and to the left of the easily identifiable belt of three stars in the popular constellation Orion. The above image shows the nebula in 3 colors specifically emitted by hydrogen, oxygen sulfur gas.
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Composite Crab Nebula A star's spectacular death in the constellation Taurus was observed on Earth as the supernova of 1054 A.D. Now, almost a thousand years later, a super dense object -- called a neutron star -- left behind by the explosion is seen spewing out a blizzard of high-energy particles into the expanding debris field known as the Crab Nebula.
Infinity Imagined
The Universe holds wonders so beautiful they defy all understanding. (Crab Nebula.)
The Argon Glow of an Exploded Star
That’s the Crab Nebula, one of the most well-studied and famous objects in all the sky. It’s the expanding gas cloud left over from a titanic supernova explosion, in this case the death of a very massive star. The light from this explosion reached Earth in 1054, and in the subsequent millennium the debris has reached a size of well over 10 light-years. That’s 100 trillion kilometers, just so’s you know.