Turtles All the Way Down
February 24th 2009 My friend F would sometimes remark that it was turtles all the way down. Here's how Stephen Hawking explains the origin of this phrase:
A well-known scientist (some say it was Bertrand Russell) once gave a public lecture on astronomy. He described how the earth orbits around the sun and how the sun, in turn, orbits around the center of a vast collection of stars called our galaxy. At the end
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