File:WMAP_2010.png
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Summary
DescriptionWMAP 2010.png |
English: The Cosmic Microwave Background temperature fluctuations from the 7-year Wilkinson Microwave Anisotropy Probe data seen over the full sky. The image is a mollweide projection of the temperature variations over the celestial sphere.The average temperature is 2.725 Kelvin degrees above absolute zero (absolute zero is equivalent to -273.15 ºC or -459 ºF), and the colors represent the tiny temperature fluctuations, as in a weather map. Red regions are warmer and blue regions are colder by about 0.0002 degrees. This map is the ILC (Internal Linear Combination) map, which attempts to subtract out noise from the galaxy and other sources. The technique is of uncertain reliability, especially on smaller scales [1], so other maps are typically used for detailed scientific analysis |
Source | http://wmap.gsfc.nasa.gov/media/101080 |
Author | NASA |
Licensing
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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File history
Click on a date/time to view the file as it appeared at that time.
Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 16:56, 14 July 2010 | 4,096 × 2,048 (2.86 MB) | LobStoR | reduced palette from 32-bit RGB+alpha to 8-bit indexed -- with no loss of information | |
17:03, 13 July 2010 | 4,096 × 2,048 (5.83 MB) | LobStoR | optimized PNG using OptiPNG + AdvComp | ||
19:21, 12 July 2010 | 4,096 × 2,048 (8.76 MB) | Raeky | larger image from tiff with transparent bg | ||
16:06, 2 March 2010 | 2,048 × 1,024 (842 KB) | 0Zero0 | {{Information |Description={{en|1=The Cosmic Microwave Background temperature fluctuations from the 7-year Wilkinson Microwave Anisotropy Probe data seen over the full sky. T |
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- Anisotropy
- Ehlers–Geren–Sachs theorem
- Jürgen Ehlers
- Roger Penrose
- Wilkinson Microwave Anisotropy Probe
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