Sentences with phrase «number of advanced civilizations»

This is the famous Drake equation from the 1960s to estimate the number of advanced civilizations in the galaxy.
Depending on your initial assumptions, the number of advanced civilizations in our galaxy according to Drake's equation could range from virtually zero to a whopping 36.4 million.

Not exact matches

We are confident that a civilization a million years more advanced than our own would find our concept of number intelligible (and we, theirs), but our jokes would have them scratching their heads in puzzlement.
Spiral galaxies such as the Great Nebula in Andromeda are obvious candidates, but the elliptical galaxies are much older and more highly evolved and could conceivably harbor a large number of extremely advanced civilizations.
In 1961, American astronomer Frank Drake proposed a formula that could be used to roughly estimate of the number of intelligent and technologically advanced extraterrestrial civilizations in the Milky Way.
A large number of archaeological sites indicate that for hundreds of years Belize was home to around one million Maya, whose relatively advanced civilization reached its height between AD 250 and 900.
For countless centuries before the invasion of Spanish adventurer and European culture, Peru was the home to an amazing number of advanced cultures and civilizations.
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