Unformatted text preview: taking the square root: .61 EarthyearsPlutos average orbital radius: 39.53 AU r Pluto^3=61770= T^2 taking the square root: 248.5 earthyears These answers differ from MotS because we only used 2 or 4 sig figs Galileo Galilei Phases of Venus Proved Venus went around Sun, not Earth Sunspots Sun spinning proved Earth could spin Moons of Jupiter Proved Earth did not have to be center of all revolutions...
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 Fall '07
 BAGENAL,FR
 Astronomy, Galileo Galilei, Venus Proved Venus, Nicholas Copernicus Rube Goldberg, Copernicus Rube Goldberg

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