File:Question Mark Galaxy, Annotated (NIRCam Compass Image) (2024-128).png
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Summary
[edit]DescriptionQuestion Mark Galaxy, Annotated (NIRCam Compass Image) (2024-128).png |
English: A specific type of gravitational lensing known to astronomers as hyperbolic umbilic, captured in the James Webb Space Telescope’s image of galaxy cluster MACS-J0417.5, results in the optical illusion of five multiples of one distant galaxy pair, labeled here as A, B, C, D, and E. While the pair exists once in reality, it appears five times when viewed through the funhouse mirror of warped space created by the mass of the cluster. Image D is largely obscured behind the bright white glare of one of the cluster galaxies.
This image also includes compass arrows, scale bar, and color key for reference. The scale bar is labeled in arcseconds, which is a measure of angular distance on the sky. There are 60 arcminutes in a degree and 60 arcseconds in an arcminute. (The full Moon has an angular diameter of about 30 arcminutes.) The actual size of an object that covers one arcsecond on the sky depends on its distance from the telescope. This image shows infrared wavelengths of light that have been translated into visible-light colors. The color key at the bottom of the image shows which filters from Webb’s NIRCam (Near-Infrared Camera) instrument were used. The color of each filter name is the visible light color assigned to represent the infrared light detected by that filter. Read a full description of the image. NASA, ESA, CSA, STScI, Vicente Estrada-Carpenter (Saint Mary's University) |
Date | 4 September 2024 (upload date) |
Source | Question Mark Galaxy, Annotated (NIRCam Compass Image) |
Author | Image: NASA, ESA, CSA, STScI, Vicente Estrada-Carpenter (Saint Mary's University) |
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Keywords InfoField | Gravitational Lensing; Galaxies; Galaxy Clusters; Distant Galaxies |
Licensing
[edit]Public domainPublic domainfalsefalse |
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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Author | Space Telescope Science Institute Office of Public Outreach |
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Source | STScI |
Usage terms | |
Contact information | outreach@stsci.edu
3700 San Martin Drive Baltimore, MD, 21218 USA |
Horizontal resolution | 28.34 dpc |
Vertical resolution | 28.34 dpc |
File change date and time | 05:54, 3 September 2024 |