A small, rocky object that orbits the Sun

A small, icy object that orbits the Sun and develops a tail as it nears the Sun

Natural satellite that orbits an object other than a star

An object that orbits the Sun, is nearly spherical in shape, and shares its orbital path with other objects of similar size

A streak of light produced by a meteoroid as it passes through Earth's atmosphere

Solid bit of debris that travels through the solar system

A large sphere of hydrogen gas hot enough for nuclear reactions to occur in its core is a

To determine roughly the value, size, or extent of

The distance light travels in one year is a