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English, 05.02.2021 01:00 avrieell8584
Why were astronomers interested in studying radio waves in the 1980s and 1990s?
The radio waves were coming from the sun and heading to Earth.
The radio waves were coming from the center of the Milky Way.
The radio waves were causing static on the transatlantic telephone service.
O The radio waves were visible and could be seen in the sky above Earth.
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Why were astronomers interested in studying radio waves in the 1980s and 1990s?
The radio waves wer...
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