March 10, 2010

Radio Waves

Filed under: General — Kevin @ 9:34 pm

Since Radio waves travel out from the earth at the speed of light and bounce off dense objects, shouldn’t we be able to focus a finely tuned radio receiver on planets 20 light years away and listen to live broadcasts from the 1940′S that were never recorded?

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2 Comments »

  1. The convex surfaces of planets would be diffuse reflectors and disperse the radio waves too much. And that would probably be the least of your problems.

    Comment by Anonymous — March 10, 2010 @ 11:15 pm

  2. Todd, you really should sign in when you post.

    Comment by Kevin — March 24, 2010 @ 11:21 am

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