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Venus

Posted: September 16th, 2010, 6:26 pm
by EarlJam
Okay, I'm watching this show, "The Universe." Said one reporter, "We used to think there may be life on Venus. We used to think Venus was a planet of hot jungles............but Soviet titanium probes gave us feedback that showed Venus is a Hellish planet, much too hot and gaseous to sustain life."

Reallly?

Maybe to us Earthly humans. But, and correct me if I'm wrong, if you believe in evolution then you believe life develops to survive in its particular environment. This guy said conditions on Venus made it impossible for life to exist. But wouldn't evolution say, "...impossible for HUMAN life to exist?"

Maybe there IS life on Venus. Maybe not. But if there is, it would be life that considered extreme heat "comfortable."

I don't know.

Dang.

-EarlJam

Re: Venus

Posted: September 16th, 2010, 6:39 pm
by DukeUsul
I see what you are getting at. We typically think of life requiring liquid water. So on a planet that's 800-900F, you're not going to find any. But perhaps there are other forms of life that could form there.

A prominent location of interest for life in this solar system is Titan, a moon of Saturn. Titan has a dense atmosphere and liquid on its surface. But it's not liquid water, it's liquid hydrocarbons (like methane). It's entirely possible Titan has life that relies on liquid methane like we rely on liquid water. Life, but not like we know it.