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staedtler staedtler
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7 years ago
How was Neptune discovered?
A)   Accidentally, by an astronomer taking photographs for an all-sky survey
B)   Accidentally, by an astronomer studying the sky visually through a telescope
C)   By a careful application of Newton's laws to the somewhat irregular motions of Uranus
D)   By a careful search with the Hubble Space Telescope
Textbook 
Discovering the Universe

Discovering the Universe


Edition: 7th
Authors:
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papachulopapachulo
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7 years ago
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staedtler Author
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6 years ago
On behalf of my study group and I, thank you
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