Keplers Laws

Front

What shape do planets orbit the Sun in?

Back

Ellipse

Front

What are the two points called that an ellipse is drawn around?

Back

Foci

Front

What is the eccentricity of the flattest ellipse before it becomes a line?

Back

.99

Front

How does a planet's speed change when it is farthest from the sun?

Back

Slower

Front

What does Kepler's 2nd Law deal with?

Back

The area the planet travels.

Front

What is Kepler's 1st Law?

Back

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

Front

What is the definition of perihelion?

Back

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

Front

What is the definition of aphelion?

Back

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

Front

What does eccentricity measure in an ellipse?

Back

The degree of deviation of the ellipse from being circular.

Front

What is the range of eccentricity values for an ellipse?

Back

0 to 1.