File:Sagittarius A*.jpg
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[edit]DescriptionSagittarius A*.jpg |
English: Sagittarius A*. This image was taken with NASA's Chandra X-Ray Observatory. Ellipses indicate light echoes. Full-field is 12.5 arcmin across. original source
Русский: Стрелец A*. Это изображение было снято с помощью Чандра, рентгеновской обсерватории НАСА. Эллипсами отмечены световые эха. Полное изображение — 12,5 угловых минут (источник) . |
Date | |
Source | Part of File:Gcle.jpg |
Author | NASA |
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[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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current | 21:41, 23 July 2014 | 1,200 × 1,200 (301 KB) | Antonsusi (talk | contribs) | {{PD-USGov-NASA}} |
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JPEG file comment | This set of Chandra images shows evidence for a light echo generated by the Milky Way's supermassive black hole, a.k.a. Sagittarius A*. Astronomers believe a mass equivalent to the planet Mercury was devoured by the black hole about 50 years earlier, causing an X-ray outburst which then reflected off gas clouds near Sagittarius A*. Studying this light echo gives a crucial history of activity from the black hole, and it also illuminates and probes the gas clouds near the center of the Galaxy. |
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