Earth's Sister Planet.

A group of stars, dust, and gases

I have few moons, and I'm closest to the sun.

Nearly round bodies whose orbits cross the orbits of other bodies.

Closest Planet to the Sun.

A ball of hot, glowing gases.

I have many moons, and I have rings.

I have the most active volcanoes of any body in the solar system.

Has mostly reddish surface.

Characteristics that is related to a star's temperature.

I have a low density, gaseous surface.

Rock and iron objects that orbit the sun.

Has the Great Red Spot on its surface.

The study of the objects in space and their properties.

I am small and dense, as well as a rocky surface.

Small natural objects that revolve around other objects.

Its always tilted, like its laying on its side.

A galaxy shaped like a flattened globe.

I have longer revolutions.

Heats up and begins to outgas when passing the sun, displaying a tail.