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Number of alien worlds quantified

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posted on Feb, 5 2009 @ 03:52 PM
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Number of alien worlds quantified


news.bbc.co.uk

Intelligent civilisations are out there and there could be thousands of them, according to an Edinburgh scientist.

The discovery of more than 330 planets outside our solar system in recent years has helped refine the number of life forms that are likely to exist.

The current research estimates that there are at least 361 intelligent civilisations in our Galaxy and possibly as many as 38,000.
(visit the link for the full news article)




posted on Feb, 5 2009 @ 03:52 PM
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In his new approach, Mr Forgan simulated a galaxy much like our own, allowing it to develop solar systems based on what is now known from the existence of so-called exoplanets in our galactic neighbourhood.

These simulated alien worlds were then subjected to a number of different scenarios.

The first assumed that it is difficult for life to be formed but easy for it to evolve, and suggested there were 361 intelligent civilisations in the galaxy.

A second scenario assumed life was easily formed but struggled to develop intelligence. Under these conditions, 31,513 other forms of life were estimated to exist.

The final scenario examined the possibility that life could be passed from one planet to another during asteroid collisions - a popular theory for how life arose here on Earth.

That approach gave a result of some 37,964 intelligent civilisations in existence.

Great news indeed!

:-)

news.bbc.co.uk
(visit the link for the full news article)



posted on Feb, 5 2009 @ 03:56 PM
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There is an already existing thread on this topic [url=http://www.abovetopsecret.com/forum/thread434169/pg1]here.

Please contribute any further questions and/or comments to the above linked thread.

Thank you.

Thread Closed.



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