Which of the following statements is not true planetary orbits?
a. A planet’s mass does not affect how fast it orbits its star.
b. A planet travels faster in its orbit when it closer to the star it is orbiting.
c. The square of the period of a planet's orbit is inversely proportional to the radius of its orbit cubed.
d. Planets have elliptical orbits with the star they orbit as one of the ellipses’ foci.
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Which of the following statements is not true planetary orbits?
a. A planet’s mass does not affect...
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