What is the minimum seperation of 2 stars that can be clearly resolved with a 1.5 meter telescope?


Posted March 13th, 2009 by admin 2 Comments »
telescope
stefanied26 asked:


If a 150 cm telescope can resolve 2 stars with a seperation of .85 arc seconds, what is the minimum seperation of 2 stars that can be clearly resolved with a 1.5 meter telescope? what is the minimum seperation called?
(note: this is a problem im working on for school, any help would be appreciated)-Thanks

How does the light-collecting area of an 8-meter telescope compare to that of a 2-meter telescope?


Posted February 26th, 2009 by admin 1 Comment »
telescope
Free2b asked:


a.The 8-meter telescope has 4 times the light-collecting area of the 2-meter telescope.
b.The 8-meter telescope has 16 times the light-collecting area of the 2-meter telescope.
c.The 8-meter telescope has 8 times the light-collecting area of the 2-meter telescope.
d.The answer cannot be determined from the information given in the question.