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The surface of the Sun
The surface of the Sun
Solar atmosphere: temperature and density. See here for meanings of extra lines in the graph.
Solar atmosphere: temperature and density. See here for meanings of extra lines in the graph.
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Aerosol Optical Depth (AOD) at 830 nm measured with the same LED sun photometer from 1990 to 2016 at Geronimo Creek Observatory, Texas. Measurements m
Aerosol Optical Depth (AOD) at 830 nm measured with the same LED sun photometer from 1990 to 2016 at Geronimo Creek Observatory, Texas. Measurements made at or near solar noon when the Sun is not obstructed by clouds. Peaks indicate smoke, dust and smog. Saharan dust events are measured each summer.