About Me

my name is justin wenger and i had to make a blog for school

Thursday, September 11, 2008

Moons of Jupiter

a. there is a pattern of big waves then little waves, this shows that the planets are moving on a ellipsis
b. he realized that the moons move in ellipsis around Jupiter so he figured out that the planets do the same thing around the sun
c.it changes speeds greatly because it very elliptical
d. Kepler said that the planets move in an ellipsis and Jupiter's moons do that

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