Experiment with multiple instrument places all over the earth

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ritwik06
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I want to design an experiment with multiple instruments places all over the Earth in such a way that at any time, at least one of the instruments can observe the sun. What is the maximum separation of instruments permitted?

I am really confused. Please help me with this!
 

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Step one in solving a homework problem (same goes for the other threads you just started) is to draw a picture :smile:
 
cesiumfrog said:
Step one in solving a homework problem (same goes for the other threads you just started) is to draw a picture :smile:

please give some ideas about tem sir. I am just a class 9th student :)
 
:frown:
russ_watters said:
Ideas about what? He said draw a picture! A picture of the Earth starts with a circle...

Ok! the sun will be visible from one hemispher for sure, am i right. So I think it should be 1/2 the circumference of earth.
 
Why the frown and uncertainty?
 
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