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1 | | What is meant by the term collecting area? How does it affect the ability to see faint objects? |
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2 | | What is resolution of a telescope? What physical process limits it? |
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3 | | How is resolution affected by the size of a telescope’s mirror or lens? |
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4 | | What is the difference between a reflecting and a refracting telescope? |
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5 | | What are some reasons for using mirrors rather than lenses in telescopes? |
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6 | | What is the purpose of an interferometer? |
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7 | | Why do astronomers put X-ray observatories in space rather than just on a high mountain? |
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8 | | What is meant by adaptive optics? |
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