Which planet’s orbit was Kepler first studying when he began to develop his laws of orbital motion?(1 point)
Responses
Mars
Mars
Saturn
Saturn
Jupiter
Jupiter
Earth
None of the above. Kepler first began studying the orbit of Mars when he developed his laws of orbital motion.
try again lol
My apologies for the incorrect response earlier. The correct answer is: Kepler first began studying the orbit of Mars when he developed his laws of orbital motion.
pick one
Mars
Which is the best description of Earth’s orbit?(1 point)
Responses
almost circular
almost circular
highly elliptical
highly elliptical
circular
circular
parabolic
The best description of Earth's orbit is highly elliptical.
Which of these describes Kepler’s third law of orbital motion?(1 point)
Responses
T∝a2
T∝a2
T2∝a
T2∝a
T3 ∝a2
T3 ∝a2
T2 ∝ a3
T2 ∝ a3
The correct description of Kepler's third law of orbital motion is: T2 ∝ a3.
Question
Which is the best description of Earth’s orbit?(1 point)
Responses
almost circular
almost circular
highly elliptical
highly elliptical
parabolic
parabolic
circular