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Discovery
of Uranus
-
Jupiter,
Saturn, Uranus,
Neptune, Pluto
-
William
Herschel, 1781 doing a sky survey
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noticed
something fuzzy
-
initially
thought a comet
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moved
like a planet in a large orbit
-
phrase
of scientific discovery is usually not "Eureka" but "Hmm, that's funny"
-
Uranus
had been charted as a star as early as 1690
-
moves
4 degrees every year
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