Aliens are likely huge, says scientist

Aliens are likely huge, says scientist

If you’re traveling to distant planets anytime soon, you might think twice about raising a ruckus: The inhabitants likely weigh an average of 650 pounds, a cosmologist says.

Apparently it all comes down to planet size and the conservation of energy, CNET reports. “Throughout the animal kingdom, species which are physically larger invariably possess a lower population density, possibly due to their enhanced energy demands,” says Fergus Simpson of the University of Barcelona.

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That’s quite true on Earth, where we have seven billion (relatively big) people, and, the BBC noted last year, up to 100 trillion (tiny) ants.

Which brings us to outer space, where, Simpson says, “most inhabited planets are likely to be closer in size to Mars than the Earth.” And “since population density is widely observed to decline with increasing body mass, we conclude that most intelligent species are expected to exceed 300kg (660lbs),” he adds.

A scientist in Scotland says Simpson’s “average size calculation is reasonable,” but doesn’t account for gravitational pull—and planets with stronger gravity would probably have smaller animals, Newsweek reports.

SETI Institute researcher Seth Shostak says Simpson’s paper, published at arXiv.org, also leaves out evolutionary theory: With humans, for example, it’s our ability to walk upright and use opposable thumbs that gave us the upper hand on Earth.

“Polar bears are large but do not write great literature and build radio towers,” he says, “and a lot of that is probably because they are walking around on all fours.”

 

Source www.newser.com

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31 Comments

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  1. ..to believe this, we would have to ignore ALL the evidence collected so far about the nature and description of Aliens…if we believe the encounters of the 3rd kind stories and the abduction tales then we can’t take this cosmologist’s theory seriously…

  2. Who is Furgus Simpson? First, scientists deny the fact Earth has been visited by Aliens and humans were genetically created by some ET race. Now, this Simpson guy from Spain decided to make assumptions about Aliens physical size! Really?
    And, we’re supposed to accept his theory because he’s a scientist.

  3. Would all deprnd on the diameter of the planet and atmospheric pressure as to how big they were likely to be small plsnet less gravity tall quite weak big planet short very strong

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