Ellipse Vocabulary Flashcard

Front

The major axis is:

Back

The longer axis of an ellipse

Front

The perihelion is:

Back

The closest point closest to the Sun

Front

The aphelion is:

Back

The farthest point closest to the Sun

Front

Which planet listed below is the most eccentric? Helga at .057, Karl at .833, Björn at .25, Morton at .375

Back

Karl at .833

Front

Which planet listed below is the least eccentric? Helga at .057, Karl at .833, Björn at .25, Morton at .375

Back

Helga at .057

Front

A focus is:

Back

One of two central points in an ellipse

Front

Foci are:

Back

Two points of focus (the plural of focus)

Front

An ellipse is:

Back

A big oval shape, or the shape of an orbit

Front

Orbital Eccentricity is:

Back

The measure of how round or elongated, or flattened an ellipse is.

Front

Comet Juno's eccentricity measurement is .017. How does this compare to the eccentricity of Mars' orbit?

Back

Mars' orbit is more eccentric.