Question
Which is the best description of Earth’s orbit?(1 point)
Responses
parabolic
circular
almost circular
highly elliptical
Responses
parabolic
circular
almost circular
highly elliptical
Answers
Answer
Which orbital shape did most scientists in the early 1600s think the planets of our solar system have?(1 point)
Responses
hyperbolic
elliptical
circular
parabolic
Responses
hyperbolic
elliptical
circular
parabolic
Answer
Which of these describes Kepler’s third law of orbital motion?(1 point)
Responses
T∝a^2
T3 ∝a^2
T2∝a
T2 ∝ a^3
Responses
T∝a^2
T3 ∝a^2
T2∝a
T2 ∝ a^3
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