Kepler's 2nd Law

Front

What shape does a satellite orbiting Earth follow according to Kepler's first law?

Back

Elliptical

Front

According to Kepler's Second Law, what happens to a planet's speed as it moves closer to the Sun?

Back

It moves faster.

Front

What is the term for the point in a planet's orbit where it is closest to the Sun?

Back

Perihelion

Front

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

Back

Aphelion

Front

What does Kepler's Second Law state about the areas swept out by a planet in its orbit?

Back

A planet sweeps out equal areas in equal times.

Front

What is eccentricity in relation to an ellipse?

Back

Eccentricity measures how much an ellipse deviates from being circular.

Front

Which ellipse has the lowest eccentricity?

Back

The one that is closest to a circle.

Front

When does the Earth move the fastest in its orbit?

Back

In January.

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.

Front

What is the significance of Kepler's laws in astronomy?

Back

They describe the motion of planets and their orbits around the Sun.