File:Crab Nebula NGC 1952 (composite from Chandra, Hubble and Spitzer).jpg

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Summary

A star's spectacular death in the constellation <a href="https://en.wikipedia.org/wiki/Taurus_(constellation)" class="extiw" title="en:Taurus (constellation)">Taurus</a> was observed on Earth as the <a href="https://en.wikipedia.org/wiki/supernova" class="extiw" title="en:supernova">supernova</a> of 1054 A.D. Now, almost a thousand years later, a super dense object — called a <a href="https://en.wikipedia.org/wiki/neutron_star" class="extiw" title="en:neutron star">neutron star</a> — left behind by the explosion is seen spewing out a blizzard of high-energy particles into the expanding debris field known as the <a href="https://en.wikipedia.org/wiki/Crab_Nebula" class="extiw" title="en:Crab Nebula">Crab Nebula</a>. X-ray data from <a href="https://en.wikipedia.org/wiki/Chandra_X-ray_Observatory" class="extiw" title="en:Chandra X-ray Observatory">Chandra</a> provide significant clues to the workings of this mighty cosmic "generator," which is producing energy at the rate of 100,000 suns.

This composite image uses data from three of NASA's Great Observatories. The Chandra X-ray image is shown in blue, the <a href="https://en.wikipedia.org/wiki/Hubble_Space_Telescope" class="extiw" title="en:Hubble Space Telescope">Hubble Space Telescope</a> optical image is in red and yellow, and the <a href="https://en.wikipedia.org/wiki/Spitzer_Space_Telescope" class="extiw" title="en:Spitzer Space Telescope">Spitzer Space Telescope</a>'s infrared image is in purple. The X-ray image is smaller than the others because extremely energetic electrons emitting X-rays radiate away their energy more quickly than the lower-energy electrons emitting optical and infrared light. Along with many other telescopes, Chandra has repeatedly observed the Crab Nebula over the course of the mission's lifetime. The Crab Nebula is one of the most studied objects in the sky, truly making it a cosmic icon.

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File history

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Date/TimeThumbnailDimensionsUserComment
current19:45, 3 January 2017Thumbnail for version as of 19:45, 3 January 20172,780 × 2,648 (1.12 MB)127.0.0.1 (talk)<p>A star's spectacular death in the constellation <a href="https://en.wikipedia.org/wiki/Taurus_(constellation)" class="extiw" title="en:Taurus (constellation)">Taurus</a> was observed on Earth as the <a href="https://en.wikipedia.org/wiki/supernova" class="extiw" title="en:supernova">supernova</a> of 1054 A.D. Now, almost a thousand years later, a super dense object — called a <a href="https://en.wikipedia.org/wiki/neutron_star" class="extiw" title="en:neutron star">neutron star</a> — left behind by the explosion is seen spewing out a blizzard of high-energy particles into the expanding debris field known as the <a href="https://en.wikipedia.org/wiki/Crab_Nebula" class="extiw" title="en:Crab Nebula">Crab Nebula</a>. X-ray data from <a href="https://en.wikipedia.org/wiki/Chandra_X-ray_Observatory" class="extiw" title="en:Chandra X-ray Observatory">Chandra</a> provide significant clues to the workings of this mighty cosmic "generator," which is producing energy at the rate of 100,000 suns. </p> <p>This composite image uses data from three of NASA's Great Observatories. The Chandra X-ray image is shown in blue, the <a href="https://en.wikipedia.org/wiki/Hubble_Space_Telescope" class="extiw" title="en:Hubble Space Telescope">Hubble Space Telescope</a> optical image is in red and yellow, and the <a href="https://en.wikipedia.org/wiki/Spitzer_Space_Telescope" class="extiw" title="en:Spitzer Space Telescope">Spitzer Space Telescope</a>'s infrared image is in purple. The X-ray image is smaller than the others because extremely energetic electrons emitting X-rays radiate away their energy more quickly than the lower-energy electrons emitting optical and infrared light. Along with many other telescopes, Chandra has repeatedly observed the Crab Nebula over the course of the mission's lifetime. The Crab Nebula is one of the most studied objects in the sky, truly making it a cosmic icon. </p>
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