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Location: UFOUpDatesList.Com > 2013 > Oct > Oct 10

Have We Found A Dyson Sphere?

From: Ray Dickenson <r.dickenson.nul>
Date: Thu, 10 Oct 2013 11:57:23 +0100
Archived: Thu, 10 Oct 2013 11:21:26 -0400
Subject: Have We Found A Dyson Sphere?


Well, well. Just read about a 'lonely planet' floating without a
star - and it's much bigger than Jupiter (which itself is almost
big enough to become a small star able to radiate light and
heat) - and this 'lonely planet' actually radiates mostly in the
infra-red.

Well, a long time ago Freeman Dyson said that's one way we could
detect stars that had been 'contained' for energy-use purposes,
by alien civilizations!

-----

ScienceWorld Report

http://tinyurl.com/le6haz2

Astronomers have discovered a strange free-floating planet
dubbed PSO J318.5-22 that is 80 light years away from the Earth
and has a mass that is six times more than Jupiter. The star
hosts no stars. It came into existence some 12 million years
ago, which is like a newborn in planet lifetime. The astronomers
identified the strange lonely planet from its faint and
exclusive heat signature as it didn't match the objects
surrounding it. It was identified with the help of a survey
telescope Pan-STARRS1 (PS1) that is located on Haleakala, Maui.

This is not the first time that astronomers have spotted such
free floating objects. But it was unclear till date whether
these free floating objects were failed stars or orphaned
planets. But this finding confirms that they are indeed planets.
The light coming from PSO J318.5-22 is nearly 100 billion times
fainter in optical wavelengths compared to the planet Venus.
Most of the planet's energy is emitted in infrared wavelengths,
NBCNews reports.

---

http://en.wikipedia.org/wiki/Freeman_Dyson#Dyson_sphere

In 1960 Dyson wrote a short paper for the journal Science,
entitled "Search for Artificial Stellar Sources of Infrared
Radiation".[32] In it, he theorized that a technologically
advanced extraterrestrial civilization might completely surround
its native star with artificial structures in order to maximize
the capture of the star's available energy. Eventually, the
civilization would completely enclose the star, intercepting
electromagnetic radiation with wavelengths from visible light
downwards and radiating waste heat outwards as infrared
radiation. Therefore, one method of searching for
extraterrestrial civilizations would be to look for large objects
radiating in the infrared range of the electromagnetic spectrum.

-----

Cheers

Ray D



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