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Description
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 domain 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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Cosmic Microwave Background Fluctuations

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depicts English

cosmology English

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Date/TimeThumbnailDimensionsUserComment
current16:56, 14 Julai 2010Thumbnail for version as of 16:56, 14 Julai 20104,096 × 2,048 (2.86 MB)LobStoRreduced palette from 32-bit RGB+alpha to 8-bit indexed -- with no loss of information
17:03, 13 Julai 2010Thumbnail for version as of 17:03, 13 Julai 20104,096 × 2,048 (5.83 MB)LobStoRoptimized PNG using OptiPNG + AdvComp
19:21, 12 Julai 2010Thumbnail for version as of 19:21, 12 Julai 20104,096 × 2,048 (8.76 MB)Raekylarger image from tiff with transparent bg
16:06, 2 Me 2010Thumbnail for version as of 16:06, 2 Me 20102,048 × 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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