8.Based on Kepler’s work, which best describes the orbit of a planet around the Sun?

a circle with the Sun at the very center
an ellipse with the Sun at the very center
a circle with the Sun at one edge
an ellipse with the Sun at one focus

9.The table shows information about the moons of Mars.

Moon Orbital Period (days) Average Distance from Mars (km)
Phobos 0.319 9378
Deimos 23,459
What is the orbital period of Deimos?

0.0806 days
0.798 days
1.26 days
1.59 days

10.Kepler’s first law states that the orbits of planets are ellipses with the Sun at one
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