Drake Equation Cards
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Description: Milky Way and Drake Equation in the Galaxy Astronomy Lovers Extraterrestrial Civilizations
Milky Way and Drake Equation in the Galaxy Astronomy Lovers Extraterrestrial Civilizations Card
by Mochabonk
$5.00 $6.00
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Main Tag:
Description: Drake equation, also called Green Bank equation, equation that purports to yield the number N of technically advanced civilizations in the Milky Way Galaxy as a function of other astronomical, biological, and psychological factors.
The Drake Equation, Alien Life in the Universe Card
by Teessential
$5.00 $6.00
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