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Fraser
2007-May-22, 05:02 PM
Astronomers are always trying to get their hands on bigger and more powerful telescopes. But the most powerful telescopes in the Universe are completely natural, and the size of a galaxy cluster. ...

Read the full blog entry (http://www.universetoday.com/2007/05/22/podcast-gravitational-lensing/)

Nick4
2007-Jun-07, 12:26 AM
Thats sweet...if im understanding this the way this works is a galaxy cluster distorts the sorounding "space" to make it look like or act like a magnifien glass. thats cool how that works.