File:Abell 2029 composite Chandra.jpg
Jump to navigation
Jump to search
No higher resolution available.
Abell_2029_composite_Chandra.jpg (756 × 401 pixels, file size: 167 KB, MIME type: image/jpeg)
|
This is a file from the Wikimedia Commons. The description on its description page there is shown below.
Commons is a freely licensed media file repository. You can help. |
Summary
| Description |
English: Abell 2029 is composed of thousands of galaxies (optical image, right) enveloped in a gigantic cloud of hot gas (X-ray image, left), and an amount of dark matter equivalent to more than a hundred trillion Suns. Both the gas and the galaxies are confined to the cluster primarily by the gravity of the dark matter. If this galaxy cluster is a representative sample of the universe, the Chandra observation indicates that 70 to 90 percent of the mass of the universe consists of dark matter - mysterious particles left over from the dense early universe that interact with each other and "normal" matter only through gravity. |
| Date | |
| Source | http://chandra.harvard.edu/photo/2003/abell2029/abell2029_comp.jpg |
| Author | NASA (Chandra - SDSS II) |
Licensing
|
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.) |  |
 |
Warnings:
|
|
This file, which was originally posted to
http://chandra.harvard.edu/photo/2003/abell2029/abell2029_comp.jpg, was reviewed on 10 December 2015 by reviewer INeverCry, who confirmed that it was available there under the stated license on that date.
|
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 22:02, 16 September 2015 | | 756 × 401 (167 KB) | Mylkomeda | User created page with UploadWizard |
File usage
The following page uses this file:
Global file usage
The following other wikis use this file:
- Usage on bn.wikipedia.org
- Usage on cs.wikipedia.org
- Usage on en.wikipedia.org
- Usage on es.wikipedia.org
- Usage on fi.wikipedia.org
- Usage on fr.wikipedia.org
- Usage on id.wikipedia.org
- Usage on it.wikipedia.org
- Usage on ja.wikipedia.org
- Usage on ko.wikipedia.org
- Usage on nl.wikipedia.org
- Usage on ro.wikipedia.org
- Usage on ru.wikipedia.org
- Usage on tr.wikipedia.org
- Usage on www.wikidata.org
