Multiple Choice
Current searches for extraterrestrial intelligence use radio telescopes to
A) listen to many stars at the same time at one frequency.
B) listen to many frequencies at the same time.
C) transmit one frequency to many stars at the same time to get replies in a few minutes.
D) transmit many frequencies to one star at the same time to get replies in a few minutes.
E) look for life on Earth.
Correct Answer:
Verified
Correct Answer:
Verified
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