Gravity and Solar System Test

What is Gravity?

• a force of attraction between objects that is due to their masses and distance between them.
• In the orbit of a planet or other body in the solar system, the point that farthest from the sun
• A small body from which a planet originated in the early stages of development of the solar system.

Gravity is known to be what type of force in nature?

• Even force in nature
• Strongest force in nature.
• weakest force in nature.

What type of force is Gravity known in the Universe?

• most important forces
• Weakest forces
• May the forces be with you

What type of shape did Kepler realize the planets make as they orbit around the sun?

• Ellipse shape
• Diamond shape
• Circle shape

At the aphelion, the planet speed is _______________.

• Faster
• slower

At the perihelion, the planet speed is _______________.

• Faster
• slower

What created the Solar System?

• Planetesimal
• Orbit
• Solar Nebula

What is the Solar System disk called?

• Solar Nebula
• protostellar disk
• Orbit disk