The solar system is the Sun and the objects that are traveling around it.

Planets are objects that travel around a star in a path. That path is called an orbit.

An invisible force holding the Sun and a planet together.

A property of all matter. It is a force of attraction, or pull, between any object and any other objects around it.

To move around, or orbit, another object.

Patterns formed by groups of stars in the night sky.

Planets closest to the Sun.

None of them have rings.

Mercury, Venus, Earth, Mars

Planets beyond the asteroid belt.

Much slower revolution.

Jupiter, Saturn, Uranus, Neptune

Region between Mars and Jupiter where most asteroids are found.

"minor planet"

One of many small, rocky objects that orbit the Sun between the orbits of Mars and Jupiter.

Ceres - largest asteroid

"shooting stars"

A chunk of rock from space that burns up as it travels through Earth's atmosphere.

A chunk of rock from space that strikes the surface of the Earth or the Moon.

"dirty snowballs"

Mixtures of ice, rock, and dust "left over" from the formation of the solar system.

Our galaxy is the Milky Way.

A collection of billions of stars.

Jupiter

Saturn

Uranus

Neptune

Earth

Saturn