Kepler's Laws

What planet did Brahe assign Kepler to study?

• Earth

• Jupiter

• Mars

In the heliocentric model of the solar system, where is the sun?

• Between Earth and Mars

• At the  center

• Orbiting the Earth

Orbits of the planets are all shaped as perfect circles

• True

• False

What is the amount of flatening that an ellipse has?

• eccentricity

• oddity

• arch

What is always true about one focus from an ellipse?

• It is the moon

• It is the sun

• It changes suring each night

According the Kepler's second Law, a planet is moving slowest at what point?

• Perihelion

• Aphelion

What scientist's Laws of Motion were inspired by Kepler's Laws?

• Einstein

• Benjamin Franklin

• Isaac Newton

How many Laws did Kepler write about planetary Motion?

• 2

• 3

• 4