Radio Telescopes of Modest Size Can't Make Out as Much

question 19

Multiple Choice

Radio telescopes of modest size can't make out as much detail (have a lower resolution) than visible light telescopes. How do astronomers overcome this limitation?

• A) they have built a radio telescope in the desert that completely covers 1000 square miles
• B) this problem can't be solved; radio telescopes will always show poor detail
• C) we can connect several radio telescopes some distance apart together electronically to give us the resolution of a larger telescope
• D) we have launched a small radio telescope satellite into orbit, which (being above the atmosphere) can make out much more detail than any visible light telescope
• E) the same engineers responsible for the shape of the mirror for the Hubble Space Telescope are working on this problem; stay tuned

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