AST 307 · Introductory Astronomy
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Fall 2003
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Topics
Chapter 5 Sep. 22-24
- Define: reflection, refraction, diffraction
- Make a sketch showing how a curved mirror brings light to a focus.
- Make a sketch showing how a lens forms an image.
- How does the light-gathering power of a 10-m telescope compare to
that of a 1-m telescope?
- How does the angular resolution of a telescope depend on its
diameter and on the wavelength of the light it is observing?
- Describe two advantages of putting a telescope in space.
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