science

the separation of the foci of an ellipse that describes a planet's orbit derermines
A eccentricity of the orbit
B period of the orbit
C size of the orbit
D all of the above.

I think it is A because the closer the foci, the more circular versus elliptical the orbit is.
Size is determined by the major axis. Period: the square of the period is equal to the cube of the semi-major axis.

The foci are only mentioned in regards to shape/eccentricity.

what do I look up to research this?

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asked by chelsie
  1. Try some of the following links:

    http://search.yahoo.com/search?fr=mcafee&p=the+separation+of+the+foci+of+an+elipse+that+describes+a+planete%27s+orbit+determines+what%3F

    Sra

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