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barry barry
wrote...
Posts: 11630
10 years ago
What is the only lasting "cloudmark" for telescopic observers of Jupiter, and what do we know about its past?
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Replies
wrote...
10 years ago
The Great Red Spot has been observed for as long as telescopes had resolution good enough to show it, for over 300 years.  It has varied considerably in size, shape, and color over time, but never entirely vanished.
Would you know my name, if I saw you in heaven?

Eric Clapton
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barry Authorbarry
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Top Poster
Posts: 11630
10 years ago
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wrote...
3 years ago
thanks!
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