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1855 Johnston Total Solar Eclipse Diagram showing solar flares and the sun's aurora
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1855 Johnston Total Solar Eclipse Diagram showing ...

1875 Meyer Antique map of the Sun during the Total Solar Eclipse on June 18, 1860, accompanied by scientific diagrams of solar flares and sun spots from May 10-22, 1868.
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1875 Meyer Antique map of the Sun during the Total...

Viewers watching an eclipse September 10, 1923. On August 21, 2017 a total eclipse will traverse the United States. (Library of Congress)
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Viewers watching an eclipse September 10, 1923. On...

A photographer with solar binoculars observes the Great American Eclipse on August 21, 2017.
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A photographer with solar binoculars observes the ...

Royal Academy of Arts, Burlington House, Piccadilly Mayfair, London, England, UK, GB.
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Royal Academy of Arts, Burlington House, Piccadill...

Henrietta Leavitt (1868-1921), US astronomer. Leavitt graduated from Radcliffe College in 1892, and joined the Harvard College Observatory in 1895. Her early work on the photographic magnitudes of sta...
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Henrietta Leavitt (1868-1921), US astronomer. Leav...

Henrietta Swan Leavitt 1868-1921 American Astronomer
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Henrietta Swan Leavitt 1868-1921 American Astronom...

Spiral Galaxy M74 i
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Spiral Galaxy M74 i

Planisphaerivm Brahevm, Sive Structura Mvndi Totivs, Ex Hypothesi Tychonis Brahei In Plano Delineata: The planisphere of Brahe, or the structure of the universe following the hypothesis of Tycho Brahe...
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Planisphaerivm Brahevm, Sive Structura Mvndi Totiv...