Thread: How many intelligent civilization in the Milky Way ??
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Old January 11th 15, 09:46 PM posted to alt.astronomy
HVAC[_2_]
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Default How many intelligent civilization in the Milky Way ??
On 1/10/2015 12:22 PM, Hägar wrote:
According to the famous "Drake Equation", it could be a lot ...

http://news.yahoo.com/heres-many-int...160410326.html


So why haven't we heard from them ???



There has to be a first.



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