asked 193k views
24 votes
Why were astronomers interested in studying radio waves in the 1980s and 1990s?

Why were astronomers interested in studying radio waves in the 1980s and 1990s?-example-1

2 Answers

8 votes

Answer:

c

Step-by-step explanation:

answered
User Chung Nguyen
by
8.1k points
13 votes

Answer:

The 3rd one

Step-by-step explanation:

answered
User MegZo
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8.0k points
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