Astronomy Without A Telescope ? SETI 2.0

href="http://www.universetoday.com/wp-content/uploads/2010/06/071012_telescope_hmed_3p1.jpg">class="alignnone size-full wp-image-66731" src="http://www.universetoday.com/wp-content/uploads/2010/06/071012_telescope_hmed_3p1.jpg" alt="" width="581" height="387" />

Fifty years of href="http://www.guardian.co.uk/books/2010/mar/27/eerie-silence-alone-universe-habitable">eerie silence in the search for extra-terrestrial intelligence has prompted some rethinking about what we should be looking for.

After all, it?s unlikely that many civilizations would invest a lot of time and resources into broadcasting a Yoo-hoo, over here signal, so maybe we have to look for incidental signs of alien activity ? anything from atmospheric pollution on an href="http://www.universetoday.com/guide-to-space/extrasolar-planets/exoplanet/" class="alinks_links" title="" rel="external">exoplanet to signs of stellar engineering undertaken by an alien civilization working to keep their aging href="http://www.universetoday.com/guide-to-space/stars/" class="alinks_links" title="" rel="external">star from turning into a href="http://www.universetoday.com/guide-to-space/stars/red-giant/" class="alinks_links" title="" rel="external">red giant.(...)
Read the rest of href="http://www.universetoday.com/2010/06/19/astronomy-without-a-telescope-seti-2-0/">Astronomy Without A Telescope – SETI 2.0 (563 words)

© Steve Nerlich for href="http://www.universetoday.com">Universe Today, 2010. | href="http://www.universetoday.com/2010/06/19/astronomy-without-a-telescope-seti-2-0/">Permalink | href="http://www.universetoday.com/2010/06/19/astronomy-without-a-telescope-seti-2-0/#comments">13 comments |
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