World’s largest infrared telescope may find aliens | HT Tech

World’s largest infrared telescope may find aliens

A team of astronomers, engineers, and physicists from the University of Hawaii, the University of Freiburg, and elsewhere has proposed a new and powerful technique to search for intelligent life.

By:ANI
| Updated on: May 31 2013, 01:17 IST

A team of astronomers, engineers, and physicists from the University of Hawaii, the University of Freiburg, and elsewhere has proposed a new and powerful technique to search for intelligent life.

Rather than looking for radio waves, the team suggests searching for the heat signatures of nearby planets, which requires a giant telescope that could detect infrared radiation directly from an exoplanet, thus revealing the presence of a civilization.

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"The energy footprint of life and civilization appears as infrared heat radiation. A convenient way to describe the strength of this signal is in terms of total stellar power that is incident on the host planet," said Jeff R Kuhn of the University of Hawaii, the project's lead scientist.

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The technique arises from the fact that a civilization produces power that adds to the heat on a planet, beyond the heat received from its host star. A large enough telescope, idealised for infrared detection, could survey planets orbiting stars within 60 light-years of the Sun to see whether or not they host civilizations.

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First Published Date: 31 May, 01:15 IST
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