File:Pristine Gas Clump Near GN-z11 (2024-106).jpg
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[edit]DescriptionPristine Gas Clump Near GN-z11 (2024-106).jpg |
English: This two-part graphic shows evidence of a gaseous clump of helium in the halo surrounding galaxy GN-z11. In the top portion, at the far right, a small box identifies GN-z11 in a field of galaxies. The middle box shows a zoomed-in image of the galaxy. The box at the far left displays a map of the helium gas in the halo of GN-z11, including a clump that does not appear in the infrared colors shown in the middle panel. In the lower half of the graphic, a spectrum shows the distinct “fingerprint” of helium in the halo. The full spectrum shows no evidence of other elements and so suggests that the helium clump must be fairly pristine, made of hydrogen and helium gas left over from the big bang, without much contamination from heavier elements produced by stars. Theory and simulations in the vicinity of particularly massive galaxies from these epochs predict that there should be pockets of pristine gas surviving in the halo, and these may collapse and form Population III star clusters.
NASA, ESA, CSA, Ralf Crawford (STScI) |
Date | 4 March 2024 (upload date) |
Source | Pristine Gas Clump Near GN-z11 |
Author | Illustration NASA, ESA, CSA, Ralf Crawford (STScI) |
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Keywords InfoField | First Galaxies; 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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current | 21:49, 5 March 2024 | 4,000 × 3,060 (1.03 MB) | OptimusPrimeBot (talk | contribs) | #Spacemedia - Upload of https://stsci-opo.org/STScI-01HQR7PFNRG5RKRGQDR0NF3XTG.jpg via Commons:Spacemedia |
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