Which planet’s orbit was Kepler first studying when he began to develop his laws of orbital motion?(1 point)

Question

Which planet’s orbit was Kepler first studying when he began to develop his laws of orbital motion?(1 point)
Responses

Earth
Earth

Jupiter
Jupiter

Mars
Mars

Saturn

GPT 3.5 · Answer

None of the above planets. Kepler's laws were developed by studying the orbit of Mars.

Answer

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

GPT 3.5 · Answer

T2 ∝ a3

Answer

Which statement describes Kepler’s third law of orbital motion?(1 point)
Responses

The cube of orbital period is proportional to the square of the semi-major axis.
The cube of orbital period is proportional to the square of the semi-major axis.

The square of orbital period is proportional to the cube of the semi-major axis.
The square of orbital period is proportional to the cube of the semi-major axis.

The orbital period is proportional to the square of the semi-major axis.
The orbital period is proportional to the square of the semi-major axis.

The square of orbital period is proportional to the semi-major axis.

GPT 3.5 · Answer

The cube of orbital period is proportional to the square of the semi-major axis.

Answer

Which orbital shape did most scientists in the early 1600s think the planets of our solar system have?(1 point) Responses hyperbolic hyperbolic parabolic parabolic elliptical elliptical circular

GPT 3.5 · Answer

circular

Answer

Which is the best description of Earth’s orbit?(1 point) Responses highly elliptical highly elliptical almost circular almost circular parabolic parabolic circular

GPT 3.5 · Answer

almost circular