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symbo symbo
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Posts: 1970
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7 years ago
One of the first people to look for radio signals from extraterrestrial civilizations was
A)   Arno Penzias.   C)   Jocelyn Bell.
B)   Frank Drake.   D)   Martin Schwarzschild.
Textbook 
Discovering the Universe

Discovering the Universe


Edition: 7th
Authors:
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discovererdiscoverer
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7 years ago
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symbo Author
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6 years ago
Thanks for answering, I'll share this with my classmates too
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