That's probably because you're arrogant enough to say that just because you haven't met them, they don't exist. You talk about being the only kids on the block and wonder why the others don't want to come play with you!
And all it means to you is that it can't support the same kind of life Earth can. But you are that willing to write off an entire system as dead except for you, just because you can't see anything that looks like something you know.
Two hundred thousand, give or take, for anatomical modernity. Figuring the planet is about four and a half billion years old . . . we're not by any stretch of the imagination the oldest beings here.
Accounting is simple. Trying to convert your years to my years in large amounts so that I have some kind of idea of how old your planet is in my units of measurement isn't.
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[Laughing a little.] You guys are so weird.
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Do I look like the kind of person who carries a calculator around?
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They're not uncommon.
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Geez, you guys are babies compared to half the universe.
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