December 22, 2008 | David F. Coppedge

Dream On, Astrobiology

An astrobiologist at Open University (UK) has classified habitable worlds into four types, even though only one of them is known to have life.  Astrobiology Magazine reported the list by Jan Hendrik Bredeh?ft: earth-like, Mars-like, Venus-like and water-worlds. 

After considering all the facts, Bredeh?ft says our best bet to find extraterrestrial ecosystems is to hunt for Earth-like planets, after all.  However, he doesn’t think Earth-like worlds will necessarily have advanced life.
    “We don’t know whether the level of complexity or the size of organisms living on Earth is essentially a logical outcome of evolution or whether it is just some fluke experienced here,” says Bredeh?ft.  “Is having talking intelligent beings on the surface of the planet the pinnacle of evolution?  We just assume so because we like to see ourselves as something special.”

The article was echoed on Space.com.  While the search for exoplanets gets refined, people like Bredeh?ft just theorise.  What’s his “considered opinion” on the kinds of organisms we will most likely find?  “Probably something slimy.”

Grade this phrase: “logical outcome of evolution.”  Evolution is supposed to be this mindless, directionless, unguided, chance process.  The only logical outcome of chance is more chance.  Corollary: the only logical outcome of evolution is illogic (as illustrated above).  Corollary 2: the pinnacle of evolution is a fluke.
    A fluke is also a parasite.  Evolution, therefore, is parasitic on talking intelligent beings who assume they are something special.  Logical, Captain.

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