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Popular Astronomy (A General Description of the Heavens) || The Fluctuations of the Solar Energy. Annual Variation of the Number of Spots and Eruptions. Eleven-Year Period. Curious Coincidences. Terrestrial Magnetism and the Aurora Borealis
Flammarion, Camille, Gore, John EllardVolume:
10.1017/CB
Year:
2014
DOI:
10.1017/cbo9781107049406.022
File:
PDF, 5.62 MB
2014