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symbo symbo
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Posts: 1970
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7 years ago
The planet Neptune was discovered

(a)   by mathematical prediction,  following the discovery of the deviation of Uranus from a uniform orbital path.
(b)   by Galileo, with the world’s first astronomical telescope.
(c)   by the ancient Greeks as they observed the stars and the “wandering stars”, which they called the planets
Textbook 
Discovering the Universe

Discovering the Universe


Edition: 7th
Authors:
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discovererdiscoverer
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7 years ago
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symbo Author
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7 years ago
Thanks for your help!!
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Smart ... Thanks!
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