Official 19 Lec 2
答题结果:0/6
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Question 4 of 6
What does the professor imply is an advantage of optical astronomy over radio astronomy?

A.

It allows for more precise observations

B.

It is better for making observations within our own galaxy

C.

It requires less sophisticated equipment

D.

It is not affected by the weather

我的答案:

正确答案:C

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