Radio Telescopes Are Important in Astronomy Because

question 37

Multiple Choice

Radio telescopes are important in astronomy because

• A) they can detect cool hydrogen.
• B) they have high magnification.
• C) the can detect interstellar dust clouds.
• D) they are very inexpensive to build on tops of mountains.
• E) they don't need to be as large as optical telescopes to achieve the same resolving power.

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