05-17-2014, 02:04 PM | #31 | |
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Re: [Space] Panspermia and the Campgaign
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But there is a difference between most things are inedible, and absolutely everything on the planet is.
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05-17-2014, 02:06 PM | #32 | |
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Re: [Space] Panspermia and the Campgaign
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Carbon is just too darn amazing to be outcompeted in any realistic planet I can imagine. Not to say my imagination is limitless, of course.
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05-17-2014, 02:08 PM | #33 | |
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Re: [Space] Panspermia and the Campgaign
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Also there is plenty of carbon in the atmosphere, so I don't see how a lack of recycling means much.
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05-17-2014, 02:08 PM | #34 | |
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Re: [Space] Panspermia and the Campgaign
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05-17-2014, 02:11 PM | #35 |
Join Date: May 2013
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Re: [Space] Panspermia and the Campgaign
The difference being trillions of tons of carbon, methane, and other greenhouse gasses being recycled every year. I doubt it's a coincidence that the only planet in the Solar System with plate techtonics is also the only one with life.
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05-17-2014, 02:12 PM | #36 |
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Re: [Space] Panspermia and the Campgaign
I've been playing with creating an alien anaerobic methanogenic PC species. Oxygen is powerful stuff, but looking around extant life, I found ways to increase their efficiency to just barely equal ectothermic animal life.
A very hot bright planet and daytime photosynthesis makes them quite competitive.
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05-17-2014, 02:15 PM | #37 |
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Re: [Space] Panspermia and the Campgaign
Too small of a sample size. For life to adapt it must first exist. We don't know the environment necessary for abiogenesis. Maybe life can adapt to nearly anything, but it's generation is absurdly picky.
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05-17-2014, 02:16 PM | #38 |
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Re: [Space] Panspermia and the Campgaign
Not quite as many forms of complex molecules and a bit too "sticky" at reasonable temperatures, as well not found in gas or water soluble forms. Hard to imagine a life form that "breathes" high entropy quartz sand.
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05-17-2014, 02:20 PM | #39 | |
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Re: [Space] Panspermia and the Campgaign
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05-17-2014, 02:20 PM | #40 |
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Re: [Space] Panspermia and the Campgaign
Since science has managed to produce biologic reactious outside of cells and produce an artificial eukaryote, it's really not hard to imagine life getting a start on Mars and Venus. Mars just couldn't hold onto an atmosphere, and Venus periodically recycles its entire crust, which pretty much ruins the chance of any surface life, even if it could adapt to the surface temperatures and pressures. Although, there is still the chance of life in the clouds...
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evolution, space, system generation |
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