What does the Rayleigh criterion have to do with star colors and lens diameter?

[jegues]

Homework Statement

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Homework Equations

The Attempt at a Solution

I'm really confused as to how to solve this question. What concept does this question have to do with?

Thanks again!

 

[I like Serena]

I'm really confused as to how to solve this question. What concept does this question have to do with?

Thanks again!

Looks to me as if you indeed need the Rayleigh criterion.

See: http://en.wikipedia.org/wiki/Optical_telescope#Angular_resolution

 

[jegues]

Looks to me as if you indeed need the Rayleigh criterion.

See: http://en.wikipedia.org/wiki/Optical_telescope#Angular_resolution

How do I get any data from the question? The only thing I can determine is whether the diameter of the lense is small or large. What does the colour of the stars have to do with it?