Solar System Review #3

Front

What happens to the force of gravity if distance increases?

Back

Gravity decreases.

Front

What is the diameter of a planet?

Back

The distance through the center of the planet.

Front

Why are space probes like Voyager 1 & 2 not pulled in by the gravity of planets they pass?

Back

The probe's inertia is greater than the force of gravity.

Front

What best describes the atmosphere of Earth's Moon?

Back

None.

Front

What is the correct order of the terrestrial planets from closest to furthest from the Sun?

Back

Mercury, Venus, Earth, Mars.

Front

What is inertia?

Back

The tendency of an object to resist changes in its state of motion.

Front

How does gravity affect the motion of planets?

Back

Gravity keeps planets in orbit around the Sun.

Front

What are terrestrial planets?

Back

Rocky planets that are closer to the Sun, including Mercury, Venus, Earth, and Mars.

Front

What is the significance of the distance between celestial bodies in terms of gravitational force?

Back

The gravitational force decreases as the distance between two bodies increases.

Front

What is the primary component of the Moon's atmosphere?

Back

The Moon has a very thin atmosphere, essentially none.