Unit 4 LS2: Kepler's Three Laws of Planetary Motion Review

Front

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

Back

ellipse

Front

An ellipse is drawn around two points called

Back

foci

Front

What has an eccentricity of zero?

Back

a circle

Front

Where is the planet moving faster? Options: Position A to B, Position B to C, Position H to I, Position I to J

Back

Position A to B

Front

What is true about the area between points A, B and the Sun, and the area between points H, I and the Sun?

Back

Both areas are equal in size

Front

Kepler's 2nd Law deals with

Back

the speed/area the planet travels

Front

The diagram below shows a moon revolving around a planet in an elliptical orbit. At which position is the moon traveling fastest?

Back

location 2

Front

Which planet will take the least amount of time to revolve around the Sun? Options: Mercury, Venus, Earth, Mars

Back

Mercury

Front

The "Law of Harmonies" is which of Kepler's Laws?

Back

3rd

Front

What is the primary cause in the change of a comet’s orbital velocity according to Kepler’s 2nd Law?

Back

The sun's gravitational field.