File:Lymanalpha.PNG
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Lymanalpha.PNG (502 × 373 pixels, file size: 95 KB, MIME type: image/png)
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Summary
[edit]DescriptionLymanalpha.PNG |
English: NASA Image of the day. Lyman Alpha absorption comes from ambient gas in the universe between us and distant quasars. This is a simulation of what clouds could've looked like at z=3
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Date | |
Source | https://apod.nasa.gov/apod/ap001112.html |
Author | J. Shalf, Y. Zhang (UIUC) et al., GCCC |
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Licensing
[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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Original upload log
[edit]The original description page was here. All following user names refer to en.wikipedia.
Date/Time | Dimensions | User | Comment |
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2019-02-02 23:30 | 512×384× (67458 bytes) | Sam-2727 | NASA Image of the day. Can be found at https://apod.nasa.gov/apod/ap001112.html Lyman Alpha absorption comes from ambient gas in the universe between us and distant quasars. This is a simulation of what clouds could've looked like at z=3 |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 10:02, 9 September 2019 | 502 × 373 (95 KB) | ديفيد عادل وهبة خليل 2 (talk | contribs) | == {{int:filedesc}} == {{Information |Description={{en|1=NASA Image of the day. Lyman Alpha absorption comes from ambient gas in the universe between us and distant quasars. This is a simulation of what clouds could've looked like at z=3 * We live in a forest. Strewn throughout the universe are "trees" of hydrogen gas that absorb light from distant objects. These gas clouds leave numerous absorption lines in a distant quasar's spectra, together called the Lyman-alpha forest. Distant quasars a... |
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Horizontal resolution | 37.79 dpc |
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Vertical resolution | 37.79 dpc |
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