Solar activity

Hubble with His Cat, Nicolas Copernicus
Four different types of flashlamps were constructed and tested
Solar granulation photography taken by Stratoscope I at Princeton University
Einstein Tower, solar observatory
World's largest solar telescope at Kitt Peak National Observatory
Isotopic Anomalies Workshop Group Photo
John Jefferies at Lae New Guinea solar eclipse
Hale at NAS
Stanford Ovshinsky (right) and a colleague stand in behind a demonstration of solar power
Solar Eclipse Expedition at Khartoum, Sudan
Horace Babcock and his father, Harold, working with equipment
Loren Acton receiving the Hale Prize from John Thomas
Loren Acton receiving the Hale Prize from John Thomas
Nancy Roman works with a model of the Orbiting Solar Observatory (OSO)
Hale Solar Laboratory in Pasadena, California
An 80-Inch telescope mirror reflects image of Goerge F. Gayer, at Kitt Peak National Observatory
The McMath solar telescope at Kitt Peak National Observatory

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