Mrs. Kim's Kepler's Laws

Front

What is the point in a planet's orbit where it is closest to the sun?

Back

Perihelion

Front

What force causes planets to move faster when they are closer to the sun according to Kepler's 2nd Law?

Back

Gravity

Front

What happens to a planet's speed when it is farthest from the sun?

Back

It moves slower.

Front

Which of Kepler's Laws states that a planet's path around the sun is elliptical?

Back

Kepler's 1st Law

Front

What does Kepler's 1st Law say about the orbits of planets?

Back

They are elliptical.

Front

What is the point in a planet's orbit where it is farthest from the sun?

Back

Aphelion

Front

According to Kepler's 2nd Law, how does the speed of a planet change as it orbits the sun?

Back

It moves faster when closer to the sun and slower when farther away.

Front

What is the shape of the orbits of planets as described by Kepler's 1st Law?

Back

Elliptical.

Front

What is the term for the average distance of a planet from the sun?

Back

Semi-major axis.

Front

What is the relationship between a planet's distance from the sun and its orbital speed?

Back

The closer the planet is to the sun, the faster it moves.