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Comment: Re:Damn it, must I do everything? (Score 1) 46

by sadness203 (#46900671) Attached to: Astronomers Calculate How To Spot Life On an Alien Earth
Except it's way easier to search for Water and oxygen than Chlorophyll.

Suppose it take 5 unit of time to confirm if there's oxygen
Then it take 5 unit of time to confirm if there's water vapor.
And then it take 100 unit of time to confirm if there's Chlorophyll.

You can analyze 10-20 candidates instead of just one.

And like somebody else said, Chlorophyll is one candidate, in other conditions, another chemical could be used.

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