Friday, October 8, 2010

Imagine...

Saturday is John Lennon's 70th birthday! Such an amazing songwriter and performer whose music has lived on, light years beyond the Beatles. So here's an interesting thought experiment...The Beatles first concert appearance in America was February 11, 1964. So if there was a radio broadcast of that performance, and the radio waves moved through space at the normal radio wave rate (the speed of light), after 46 Earth years that concert can now be heard about 435 trillion miles (or 74 light years) away. Canopus, the second brightest star in the night sky, lives 74 light years away. Maybe there's a planet with life orbiting Canopus, and if so, just about now, are there Canopi people rocking out as they listen to the Fab Four for the first time? Carl Sagan would say, "If not, it's an awful waste of space."

A bunch of famous folks have put together a YouTube tribute channel for the beloved Walrus (Wait, was the walrus Paul?), so watch and enjoy:


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