Solar System

Front

What do asteroids, comets, and meteoroids have in common?

Back

They all orbit the sun.

Front

Which planet is closest to the sun?

Back

Mercury.

Front

Which planet is the most massive in the solar system?

Back

Jupiter.

Front

How long does it take Neptune to orbit the sun?

Back

164 years.

Front

What is the theory that explains how the solar system formed?

Back

The Nebular Theory.

Front

What is an asteroid?

Back

A small rocky body that orbits the sun, primarily found in the Asteroid Belt.

Front

What is a comet?

Back

A celestial object made of ice and dust that, when close to the sun, displays a visible atmosphere and sometimes a tail.

Front

What is a meteoroid?

Back

A small rocky or metallic body in outer space, smaller than an asteroid.

Front

What is the Kuiper Belt?

Back

A region of the solar system beyond Neptune, populated with small icy bodies and dwarf planets.

Front

What is the Oort Cloud?

Back

A theoretical cloud of icy bodies believed to surround the solar system, thought to be the source of long-period comets.