Quiz 3: Keplers Laws

What does Kepler’s First Law state?

• Planets move in ellipses with the Sun at one focus.

• The Sun moves in an ellipse with the planets at different foci.

• Earth moves in circles with the Sun at two foci.

• Planets move in circles with the Sun at one focus.

What does Kepler’s 2nd Law state?

• All planets move in circles

• All planets move in equal areas.

• Kepler does not have a second law

• potatoes

Tags

NGSS.HS-ESS1-4

Planets travel in _______________ orbits.

 

• circular

• elliptical

• conic

• parabolic

Tags

NGSS.MS-ESS1-2

Which planet’s orbit has the least eccentricity?

Venus

Mars

Mercury

Neptune

• Venus

• Mars

• Mercury

• Neptune

Tags

NGSS.MS-ESS1-3

Which planet’s orbit has the most eccentricity?

Venus

Mars

Mercury

Neptune

• Mars

• Mercury

• Neptune

• Sun

Tags

NGSS.MS-ESS1-3

If your eccentricity value is closer to 0, your orbit will be more circular.

• True

• False

Tags

NGSS.MS-ESS1-2

How do you find the eccentricity of an orbit?

• e=d/L

• L=e/d

• Just wish upon a star

• d=e/L

Tags

NGSS.HS-ESS1-4

True or False: Earth is traveling the fastest at aphelion

• True

• Flase

Tags

NGSS.MS-PS3-1

foci distance = 1

Length = 5

Set these numbers in the eccentricity equation.

• e=1/5

• e=5/1

• e=5+1

• e=5-1

Ellipse A has an eccentricity of 0.20 and Earth has an eccentricity of 0.017. Which ellipse has a more eccentric orbit A or Earth’s orbit?

• Ellipse A

• Earth's orbit

• They are both equally elliptical

• None of the above