SpidermanTuba
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- #61
It's really simple: do a controlled experiment where the only variable is 200/PPM of CO2...can you do that? Why is that so fucking hard?
Like I said, no, I can't make another Earth. But if you like, take a look at Venus. Its hotter than Mercury, but twice as far away from the Sun. Why do you think that is?
Well I don't claim to be a scientist and haven't done any serious formal study of the solar system since college. (And did precious little then.) But I'll take a wild stab at an answer.
1) Mercury has a negligible atmosphere and therefore nothing to keep the heat from diffusing into space.
2) Venus has a very dense atmosphere, so a whole bunch of heat it receives from the Sun stays put.
Specifically, Venus's atmosphere is 97% Co2