According to Kepler's Third Law, the square of the period of any planet is proportional to(1 point)
the cube of the planet's diameter.
the cube of the planet's mean distance from the sun.
the square of the planet's period of rotation.
the planet's mean distance from Earth.
The correct answer is: the cube of the planet's mean distance from the sun.
Select the correct answer from the list.(1 point)
When an object slows down and deviates from its expected orbit, this indicates that it is being
_____ by ________ force due to another object.
When an object slows down and deviates from its expected orbit, this indicates that it is being "pulled" by a gravitational force due to another object.
Select the correct answer from the list.(1 point)
As a planet draws away from the sun in its orbit, the force between the sun and the planet
______ and the planet's speed ________
As a planet draws away from the sun in its orbit, the force between the sun and the planet "decreases" and the planet's speed "decreases".
Which of these describe the speed of a moon as it draws closer to the planet it orbits?(1 point)
Responses
The speed of the moon remains constant.
The speed of the moon creates an elliptical pattern.
The speed of the moon decreases.
The speed of the moon increases.