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7 Cards in this Set

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keplers 1st law
planets orbir the sun in shapes known as ellipses
keplers second law
the radius between a satellite and its primary sweeps out equal areas in equal times.
keplers 3rd law
the closer a sattelit is to its primary the faster it moves in its orbit
how many tides each day
4 tides each day
what is a neap tide
a neap tide is when its got the lowers low tides and the highest high tides
how do you find out how many days it takes to revolve around something
p=()(a to the 3rd
how do you calculate ecentricity
ecentricity= distance between 2 foci over the greatest length of the elipse