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But the characteristics of life is not the same thing as what life is.
life is a temporary, localized reduction in entropy (free energy) that is mediated by protein-catalyzed chemical reactions and perpetuated via nucleoproteins (DNA or RNA).
What most clearly separates the living from the non-living is the fact that life uses energy to maintain itself. Non-life cannot do this, and – as a direct consequence – passively erodes, corrodes, and otherwise breaks-down.
did the ancient civilizations have books no, they studied the cosmos, get to the right point.
life can mean anything, its just a word that humans invented, you can give millions of meaning to life, there is not only one meaning to it. To me life is an energy source.
Originally posted by artistpoet
The Pleiades are very close relatively speaking. Being somewhere between 390 and 450 light years away.
If we consider what our true constellation was/is, then it is one of our closer neighbours.
Here are a few more :-
Sirius, Alderbaran, Rigel, Betelguese, Castor, Pollux, Alcyone (Pleiades)
If we zoomed far away from Earth the Sun would be seen to merge with stars such as Sirius.This is what occurs when viewing the Pleiades with the naked eye - We can pick out 7 yet there are hundreds of stars there - Some stars we see as single are in fact double or more.
edit on 28-2-2012 by artistpoet because: (no reason given)
Originally posted by karen61057
Originally posted by artistpoet
The Pleiades are very close relatively speaking. Being somewhere between 390 and 450 light years away.
If we consider what our true constellation was/is, then it is one of our closer neighbours.
Here are a few more :-
Sirius, Alderbaran, Rigel, Betelguese, Castor, Pollux, Alcyone (Pleiades)
If we zoomed far away from Earth the Sun would be seen to merge with stars such as Sirius.This is what occurs when viewing the Pleiades with the naked eye - We can pick out 7 yet there are hundreds of stars there - Some stars we see as single are in fact double or more.
edit on 28-2-2012 by artistpoet because: (no reason given)
Light moves at about 186,000 miles per second. Over 670 million miles in an hour so even one light year away is pretty far. To say the pleidese are very close when they are over 440 light years away is kind of silly, relatively speaking.
Ah but Sterologist Mules dont reproduce either . If reproduction is a sign of life then what of couples who are infertile? Are they not alive? There are many arguments for a living earth. Dwaine Elgin (SP) comes to mind with a living universe. You might like him. Interesting reading anyway.