Keplers Laws Flashcard

Front

What shape do planets orbit the Sun in?

Back

Ellipse

Front

What is the eccentricity of a perfect circle?

Back

0

Front

In which hemisphere is it summer at position A?

Back

Northern hemisphere

Front

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

Back

Foci

Front

What is the path a planet travels around the sun called?

Back

Orbit

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 is the average distance between the foci of an ellipse called?

Back

Focal distance

Front

What is the term for the center of mass around which two bodies orbit?

Back

Barycenter

Front

What is the measure of how much an orbit deviates from being circular?

Back

Eccentricity