File:Take a Tour of Pandora's Cluster.webm
Original file (WebM audio/video file, VP9/Opus, length 1 min 38 s, 1,920 × 1,080 pixels, 1.64 Mbps overall, file size: 19.16 MB)
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English: This video tours Pandora’s Cluster (Abell 2744), a region where multiple clusters of galaxies are in the process of merging to form a megacluster. Astronomers estimate 50,000 sources of near-infrared light are represented in this image from NASA’s James Webb Space Telescope.
The concentration of mass in Pandora’s Cluster is so great that the fabric of spacetime is warped by gravity, creating an effect that makes the region of special interest to astronomers: a natural, super-magnifying glass called a “gravitational lens” that they can use to see very distant sources of light beyond the cluster that would otherwise be undetectable, even to Webb. These lensed sources, which are particularly prominent in the lower right area, appear red in the image, and often as elongated arcs distorted by the gravitational lens. The video also highlights a mysterious object that appears to be no more than a red dot. One theory is that this source of infrared light is a glowing disk of gas surrounding a supermassive black hole in the early universe. |
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| Source | https://webbtelescope.org/contents/media/videos/2023/107/01GS5SCDZKWA0Q1MYJ3PHVY3TQ |
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This file is in the public domain because it was created by NASA, ESA and CSA. NASA Webb material is copyright-free and may be freely used as in the public domain without fee, on the condition that only NASA, STScI, and/or ESA/CSA is credited as the source of the material. This license does not apply if source material from other organizations is in use. The material was created for NASA by Space Telescope Science Institute under Contract NAS5-03127. Copyright statement at webbtelescope.org. For material created by the European Space Agency on the esawebb.org site, use the {{ESA-Webb}} tag. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 16:39, 21 February 2023 | 1 min 38 s, 1,920 × 1,080 (19.16 MB) | Habitator terrae (talk | contribs) | Imported media from https://stsci-opo.org/STScI-01GS5TPD44J3418B606C8EF4HF.mp4 |
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