File:Released to Public Crab Nebula (NASA) (1444958633).jpg
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[edit]DescriptionReleased to Public Crab Nebula (NASA) (1444958633).jpg |
Public Domain. Suggested credit: NASA, Kris Davidson (U. Minn.), William P. Blair (JHU), Robert A. Fesen (Dartmouth), Alan Uomoto (JHU), Gordon M. MacAlpine (U. Mich.), and Richard B.C. Henry (U. Okla.) . For more information <a href="http://www.nasa.gov/multimedia/highlights/index.html">Visit NASA's Multimedia Gallery</a> You may wish to consult NASA's <a href="http://www.nasa.gov/audience/formedia/features/MP_Photo_Guidelines.html">image use guidelines</a>. If you plan to use an image and especially if you are considering any commercial usage, you should be aware that some restrictions may apply. ________________________ NOTE: In most cases, NASA does not assert copyright protection for its images, but proper attribution may be required. This may be to NASA or various agencies and individuals that may work on any number of projects with NASA. Please DO NOT ATTRIBUTE TO PINGNEWS. You may say found via pingnews but pingnews is neither the creator nor the owner of these materials. _________________ Additional information from source: In the year 1054 A.D., Chinese astronomers were startled by the appearance of a new star that was so bright that it was visible in broad daylight for several weeks. Located about 6,500 light-years from Earth, the Crab Nebula is the remnant of a star that began its life with about 10 times the mass of our sun. Its life ended on July 4, 1054 when it exploded as a supernova. Resembling an abstract painting by Jackson Pollack, the image shows ragged shards of gas that are expanding away from the explosion site at over 3 million miles per hour. The core of the star has survived the explosion as a pulsar, a neutron star that spins on its axis 30 times a second. It heats its surroundings, creating the ghostly diffuse bluish-green glowing gas cloud in its vicinity. The colorful network of filaments is the material from the outer layers of the star that was expelled during the explosion. The various colors in the picture arise from different chemical elements in the expanding gas, including hydrogen (orange), nitrogen (red), sulfur (pink), and oxygen (green). The shades of color represent variations in the temperature and density of the gas, as well as changes in the elemental composition. Image Credit: NASA, Kris Davidson (U. Minn.), William P. Blair (JHU), Robert A. Fesen (Dartmouth), Alan Uomoto (JHU), Gordon M. MacAlpine (U. Mich.), and Richard B.C. Henry (U. Okla.) |
Date | |
Source | Released to Public: Crab Nebula (NASA) |
Author | pingnews.com |
Licensing
[edit]Public domainPublic domainfalsefalse |
This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.) | ||
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This image was originally posted to Flickr by pingnews.com at https://flickr.com/photos/39735679@N00/1444958633. It was reviewed on 14 December 2020 by FlickreviewR 2 and was confirmed to be licensed under the terms of the Public Domain Mark. |
14 December 2020
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current | 11:31, 14 December 2020 | 1,470 × 1,650 (1.67 MB) | Eyes Roger (talk | contribs) | Transferred from Flickr via #flickr2commons |
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