Solar System Review

This planet "rolls", or has its rotation axis pointing at the sun.

The product of fusion which cleared much of the dust from the solar system.

The shape that best describes the Oort Cloud:

The theoretical protoplanet that collided with Earth to form the moon.

Mars has a longer year than Earth. This is described by which Kepler Law?

Rocket which uses reusable rocket boosters

This substance cools astronauts on spacewalks

Jovian Planets are more likely to have

Jovian Planets are more likely to have

Mars' orbit has an eccentricity of 0.0935 This is a description of which Kepler Law?

Planets with more mass.

This planet is the only planet that rotates the opposite direction of its orbit.

Hottest planet in the solar system

Earth is in the Goldilock Zone because it can sustain:

Planets that are more dense.

Planets move slowest at aphelion. This is described by which Kepler Law?

The first nation to put a human into space.

How many moons does Mars have?

The only terrestrial planet with a large moon.

What is the sixth planet from the sun?

The first mission that landed on the moon.

A circle has an eccentricity of

This planet moves the fastest through space.

The first American to orbit the Earth

The shape that best describes the Kuiper Belt:

Eccentricity of an ellipse is the focal-center distance divided by the: