How Does the Resolution of a Typical Radio Telescope Compare

question 48

Multiple Choice

How does the resolution of a typical radio telescope compare with the resolution of a typical optical telescope?

• A) Resolution becomes worse for longer wavelengths, so radio telescopes generally have poorer resolution.
• B) Resolution becomes better for longer wavelengths, so radio telescopes generally have better resolution.
• C) Resolution depends on both wavelength and telescope size. Because radio telescopes are so large, the resolution is about the same as for an optical system.
• D) Resolution depends entirely on the separation of the objects being imaged, so radio and optical telescopes have the same resolution.

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