Eccentricity

A perfect circle has an eccentricity of ______.

• 0
• .99
• 1
• 2

Which planet has an eccentricity most like the eccentricity of the Moon?

• Earth

• Saturn

• Mars

• Mercury

Tags

NGSS.MS-ESS1-3

The gravitational attraction between the star and the planet will be greatest at position 

• A
• B
• C
• D

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Which diagram shows a planet with the least eccentric orbit?

• 1
• 2
• 3
• 4

What is the maximum eccentricity an ellipse can be?

• 0
• .5
• 1
• 42

Calculate the eccentricity for the following orbit. 

• 1.6
• 0.8
• 0.6
• 1.2

Of the following planets, which planet has the most elliptical orbit? (Hint ESRT pg 15)

• Earth

• Mercury

• Venus

• Mars

Tags

NGSS.MS-ESS1-3

The place where a planet is closest to the Sun as it orbits the Sun is called the

• perihelion
• aphelion

Tags

NGSS.HS-ESS1-4

Which orbit is most eccentric? 

• 1
• 3
• 4
• 5

One focus point of the orbits of planets in our solar system is

• the axis

• the perihelion

• the center

• the Sun

Tags

NGSS.MS-ESS1-2