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Sunday, November 24, 2013

"The Nebulae and clusters of the southern heavens" Man's place in the universe; a study of the results of scientific research in relation to the unity or plurality of worlds, by Alfred R. Wallace. New York, McClure, Phillips & co. 1903

"The Nebulae and clusters of the southern heavens" Man's place in the universe; a study of the results of scientific research in relation to the unity or plurality of worlds, by Alfred R. Wallace. New York, McClure, Phillips & co. 1903
"The Nebulae and clusters of the southern heavens" Man's place in the universe; a study of the results of scientific research in relation to the unity or plurality of worlds, by Alfred R. Wallace. New York, McClure, Phillips & co. 1903
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Spitzer Space Telescope’s View of Galaxy Messier 101
Spitzer Space Telescope’s View of Galaxy Messier 101
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