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   Author  Topic: Earth's Rotation  (Read 345 times)
Barukh
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Earth's Rotation  
« on: Oct 13th, 2004, 10:16am »		 Quote Quote Modify Modify
Alice has seen a distant star today at 12 o'clock.
 
When will she see the star at the same position tomorrow?
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Grimbal
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Re: Earth's Rotation  
« Reply #1 on: Oct 13th, 2004, 10:09pm »		 Quote Quote Modify Modify
About 4 minutes earlier, unless the star is called Sol.
« Last Edit: Oct 13th, 2004, 10:10pm by Grimbal » IP Logged
rmsgrey
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Re: Earth's Rotation  
« Reply #2 on: Oct 14th, 2004, 6:36am »		 Quote Quote Modify Modify
Usually in the context of stars, "distant" would be taken as more than 10s of light years, not just a handful of light minutes...
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Grimbal
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Re: Earth's Rotation  
« Reply #3 on: Oct 14th, 2004, 8:56am »		 Quote Quote Modify Modify
Oops, sorry, I missed the "distant" part.
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