Kepler's Laws

Front

Who formulated the three laws of planetary motion?

Back

Kepler

Front

What does Kepler's 2nd Law describe?

Back

The speed/area the planet travels in its orbit.

Front

Which planet has the longest orbital period around the Sun?

Back

Mars

Front

What is the term for the point in a planet's orbit that is farthest from the Sun?

Back

Aphelion

Front

Which of Kepler's Laws states that a planet's distance from the Sun affects its orbital period?

Back

Kepler's 3rd Law.

Front

What is Kepler's 1st Law also known as?

Back

The Law of Ellipses.

Front

What shape do planets' orbits take according to Kepler's 1st Law?

Back

Ellipses.

Front

What does Kepler's 3rd Law mathematically relate?

Back

The square of the orbital period of a planet to the cube of the semi-major axis of its orbit.

Front

What is perihelion?

Back

The point in a planet's orbit where it is closest to the Sun.

Front

How does Kepler's 2nd Law explain the speed of a planet in its orbit?

Back

A planet moves faster when it is closer to the Sun and slower when it is farther away.