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(Humans Invent)   In the next 20 years we could find out if there is life on other planets   (humansinvent.com) divider line 7
    More: Cool, aviation fuel, mangoes, life on other planets  
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4272 clicks; posted to Geek » on 01 Feb 2013 at 10:59 AM (1 year ago)   |  Favorite    |   share:  Share on Twitter share via Email Share on Facebook   more»



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2013-02-01 11:35:32 AM
2 votes:
FTA:  is their extraterrestrial life out there, are their other universes and what came before the Big Bang?


Saw this, closed window.  Nobody who writes like this should be telling us about science.
2013-02-01 02:49:44 PM
1 votes:

indarwinsshadow: AdolfOliverPanties: indarwinsshadow: Of course there's life on other planets. It'd be almost impossible if there wasn't. There's just nothing like us anywhere else in the entire universe. I doubt there's ever been anything like us, ever. Think of all the unique things that happened to make the bipedal big brained per-hensile club swinger. The odds of that ever happening again are zero.

I disagree with at least two of your sentences.  I bolded them.

EXACTLY like us?  You may be right.  But given the chemicals and elements present in the universe and given the estimated number of habitable planets in our galaxy alone, I;d say the odds are in favor of intelligent life, possibly humanoid.

It was estimated in May 2012 that there are BILLIONS of habitable planets in the Milky Way galaxy alone.  And that galaxy is one of an estimated 100 billion galaxies in the known universe.  This extrapolates into a VERY conservative estimate of 100,000,000,000,000,000,000 habitable planets in the known universe.  That number is between a quintillion and a sextillion.

So the odds are definitely not zero.  They are probably incredibly high, but we will probably never get to see it even if we lived a dozen lifetimes, so vast is space.

There's little evidence there is or would be a bipedal tool using species anywhere. Think of the number of creatures just on this planet that are truly bipedal and are tool users. There's just one. We and our direct ancestors are it. There isn't any others. And that's in 4.5 billion years of the planets complex existence. I don't discount life. I'm a 100% positive there's both life and complex life in the universe. Just nothing like us.


I would actually expect large, complex life on other Earth-like planets to be reasonably similar to life on Earth.  For instance, I would expect the majority of large, heavy, mobile land bound species to be quadrupeds.  Why?  Because it strikes a fine balance between stability, speed, and the energy needed to grow appendages capable of supporting reasonable weight.  Tripeds, like bipeds, would be inherently unstable, and any number of legs greater than four are superfluous for stability and require additional energy to grow and support their function.  Could have one large foot, kinda like a slug, but that's slow.  Therefore, I would also expect the majority of tool using, intelligent land bound species to be quadrupedal, with some sort of prehensile appendage like an elephant's trunk, or bipedal, having evolved from a quadruped to free up two legs for prehensile use.

Of course, once you throw intelligent tool using oceanic species into the mix, then it's a lot harder to predict.

Basically, since energy consumption would be a universal concern for life everywhere, one would expect that under similar conditions you would have life using similar simple solutions (the ones which give the most benefit for the least energy) to similar problems faced in those conditions, though one would also expect every potential solution to be tried eventually given enough examples, but there are limited solutions to those problems.
2013-02-01 01:27:14 PM
1 votes:
Maybe, in the next twenty years or so, Humans Invent can come up with a web site that displays properly without Javascript.
2013-02-01 12:16:31 PM
1 votes:

J. Frank Parnell: LasersHurt: I'd love for us to find life on other planets. If we could get scared of them, it would help unite the Earth as one.

Sort of a "dirty" solution, but whatever works.

Never get a second chance to make a first impression. I'd rather not the human race hit the intergalactic scene like a mean drunk guy trying to start a fight at a wedding.


Well I am assuming that there would be a long lead-time between DETECTING life, and actually meeting it. I figure the detection will make us get our shiat in gear, and by the time we make contact maybe we can act like adults.

Maybe.
2013-02-01 11:38:24 AM
1 votes:
i50.tinypic.com
2013-02-01 11:19:15 AM
1 votes:
I'd love for us to find life on other planets. If we could get scared of them, it would help unite the Earth as one.

Sort of a "dirty" solution, but whatever works.
2013-02-01 11:08:34 AM
1 votes:
In the next <integer> <timeunit>s <event> {might|might not} happen.

There you humansinvent.com, enough articles to cover the next <integer> <timeunits>s
 
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