Small Bodies in the Solar System

A 300 million kilometer region between the orbits of Mars and Jupiter.

Gas that has been ionized, or stripped of electrons by the sun (comet).

A spherical region that surrounds the solar system and extends halfway to the nearest star.

A spherical cloud of gas and dust that comes off of the nucleus. (comet)

A small, irregularly shaped, rocky object that orbits the sun.

May take up to hundreds of thousands of years to orbit the sun.

Meteoroid that reaches the Earth's surface without burning up.

Begins just beyond the orbit of Neptune and contains small bodies made mostly of ice.

Estimated number of small objects in our solar system?

Any of the minor bodies in the Kuiper Belt.

A bright streak of light that results when a meteoroid burns up in the Earth's atmosphere.

A sand grain-to-boulder sized, rocky body that travels through space.

Takes less than 200 years to orbit the sun.

A small body of ice, rock, and dust that follows a highly elliptical orbit around the sun.

Hard, rocky region of a comet.

A round celestial body that orbits the sun without enough mass to clear its orbital path.

Asteroids located within the Asteroid Belt.