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doit_the_clown doit_the_clown
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7 years ago
The Great Dark Spot on Neptune
A)   disappeared sometime between the Voyager flyby in 1989 and when the Hubble Space Telescope photographed Neptune in 1994.
B)   came into existence sometime between the Voyager flyby in 1989 and when the Hubble Space Telescope photographed Neptune in 1994.
C)   was the short-lived result of a comet crash in 1995.
D)   has been visible through telescopes since at least as far back as 1665.
Textbook 
Discovering the Universe

Discovering the Universe


Edition: 7th
Authors:
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Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.

Albert Einstein
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discovererdiscoverer
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7 years ago
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7 years ago
Good timing, thanks!
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This calls for a celebration Person Raising Both Hands in Celebration
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2 hours ago
You make an excellent tutor!
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