Front

The farther away a planet is from the sun, the _______ it takes it to orbit the sun once.

Back

longer

Front

Kepler's 2nd Law deals with

Back

the speed/area the planet travels.

Front

The path a planet travels around the sun is called its

Back

orbit.

Front

Where is the planet moving faster?

Back

Position A to B.

Front

Planets orbit the Sun in a shape called a(n)

Back

ellipse.

Front

What is Kepler's 1st Law?

Back

Planets move in elliptical orbits with the Sun at one focus.

Front

What does Kepler's 3rd Law state?

Back

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

Front

Define 'perihelion'.

Back

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

Front

Define 'aphelion'.

Back

The point in the orbit of a planet where it is farthest from the Sun.

Front

What is an ellipse?

Back

A shape that is elongated and oval, representing the orbits of planets.