0 Chance of life
According to Yale Professor Meg Urry in a CNN column, “When Can We Talk to Aliens?” astronomers estimate that there may be as many as 40 billion habitable planets in the Milky Way Galaxy alone.
That’s not even taking other galaxies into consideration.
Space – it’s really friggin’ big.
Does this mean those planets have intelligent life on them? We don’t know. But Urry states:
Intelligent life that can communicate via radio waves with other intelligent life is less than 100 years old here on Earth.
So while planets that develop simple forms of life may be a dime a dozen, the number that have sentient beings with whom to converse — even assuming they evolved as humans did, with ears and spoken language, or eyes and written language — is likely to be tiny. And life that can use radio waves has existed on Earth for only 0.000002% of…
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