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barry barry
wrote...
Posts: 11630
11 years ago
Why do stars appear to twinkle?
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Replies
wrote...
11 years ago
In space, the light of the stars appears steady and images are sharp.  But in passing through our atmosphere, the narrow shafts of star light are shifted constantly by turbulence, hence the images dance around in the eyepiece for us on the ground.
Would you know my name, if I saw you in heaven?

Eric Clapton
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barry Authorbarry
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Posts: 11630
11 years ago
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