Question 1

According to Kepler’s law of planetary motion, what part of the ellipse is the sun located?

Accepted Answer

Focus

Answer

Center

Answer

Aphelion

Answer

Vertex

Question 2

Which of the following statement is correct as described by the Law of Areas?

Accepted Answer

Mars moves faster in its orbit when it is closer to the Sun than when it is farther from the Sun.

Answer

The Sun is not in the precise center of Uranus’ orbit.

Answer

All the planets orbit the Sun in nearly the same plane.

Answer

Venus orbits the Sun at a faster orbital speed than Earth.

Question 3

Which of the following is NOT one of Kepler's Laws of Planetary Motion?

Accepted Answer

Law of Ellipse

Answer

Law of Area

Answer

Law of Periods

Answer

Law of Orbit

Question 4

What is the point of the Earth's orbit that is farthest away from the Sun?

Accepted Answer

Aphelion

Answer

Perihelion

Answer

Ellipse

Answer

Vertex

Question 5

Consider a planet orbiting around the sun. If the orbital radius of the planet is doubled, how long would it take for a planet to complete a revolution?

Accepted Answer

More than twice as long to orbit the Sun

Answer

Less than half as long to orbit the Sun

Answer

Exactly twice as long to orbit the Sun

Answer

The same amount of time to orbit the Sun

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