Planetary Motion

Who created the Laws of Planetary Motion?

• Kepler

• Aristech's

• Einstein

• Brahe

Answer explanation

Kepler

What shape is Earth's orbit?

• Circular

• Oval

• Ecliptic

• Ellipse

Answer explanation

Ellipse

The _____the planet is to the sun, the _____it goes around the sun. (Two answers)

• closer, faster

• further, faster

• closer, slower

• further, slower

How does the mass of an object effect the gravitational attraction of an object?

• The smaller the mass of the object the greater the gravitational force.

• The greater the mass of the object the less the gravitational force.

• The mass of the object has no effect on the gravitational force

• The greater the mass of the object the greater the gravitational force.

Tags

NGSS.MS-PS2-4

How long is the period of Earth's revolution?

• One day

• 1 degree

• one month

• one year

When a planet is at perihelion it is ____.

• Closest to the sun in its orbit.

• Farthest from the sun in its orbit.

In orbits with low eccentricity ____

• The foci are far apart

• The foci are close together