File:PerA Chandra+SXS.jpg
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Captions
Captions
Map of the motion of hot X-ray-emitting gas in the Perseus galaxy cluster. The square overlay, which spans about 195,000 light-years at the cluster's distance, shows the area observed by Hitomi.
Summary
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| Description |
English: The Perseus galaxy cluster is filled with hot X-ray-emitting gas, as seen in this image from NASA's Chandra X-ray Observatory. Astronomers using the Soft X-ray Spectrometer aboard the Hitomi satellite have, for the first time, mapped the motion of this gas and determined its velocity structure across a large part of the cluster. The square overlay, which spans about 195,000 light-years at the cluster's distance, shows the area observed by Hitomi. Colors correspond to the detected gas speeds, with bluer colors indicating faster motion toward Earth and redder colors showing greater velocities in the opposite direction, as indicated by the scale at right. The image is 10.7 arcminutes across. |
| Date | July 6th, 2016 |
| Source | https://svs.gsfc.nasa.gov/12297 |
| Author | NASA Goddard and NASA/CXC/SAO/E. Bulbul, et al. |
Licensing
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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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