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NkówáCERES Global albedo anomaly.png
English: This graph shows the percentage anomaly over time in top-of-atmosphere observations of Earth's albedo. Percentages are relative to the mean global value of ~0.29. Measurements were gathered from March 1, 2000 - December 31, 2011 by the Clouds and Earth's Radiant Energy System (CERES) instruments of NASA's Earth observing satellite network.
The NASA website hosts a large number of images from the Soviet/Russian space agency, and other non-American space agencies. These are not necessarily in the public domain.
The SOHO (ESA & NASA) joint project implies that all materials created by its probe are copyrighted and require permission for commercial non-educational use. [2]