Which Telescope? (Introduction to Astronomy )

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Which factor or characteristic (aperture, focal length, etc.) do you think is most important when defining a "good" telescope, and why? Do you think the balance of pros and cons tips in the favor of ground-based or space-based telescopes?

Apr 18th, 2015

long aperture telescope gives more light capturing ability

while focal length gives more converging ability

in astronomical telescope N=F/A gives the ratio called as focal ratio.



Apr 18th, 2015

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Apr 18th, 2015
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Apr 18th, 2015
Jun 24th, 2017
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