A group of 12 constellations.
- Miranda
- Supernova
- Leonids
- Zodiac
A group of stars that make a pattern in the night sky.
- Miranda
- Leonids
- constellation
- Supernova
A rocky body that can range in size from an object several hundred kilometres in diameter to dust particles.
- asteroid
- moon
- constellation
- sun
A group of stars that are close enough together to form an association.
- nebula
- fireball
- cluster
- dwarf
A minor member of the solar system travelling around the Sun in an eliptical orbit that is often very drawn out or elongated.
- asteroid
- black hole
- comet
- dwarf
A type of a very large, luminous meteor.
- asteroid
- fireball
- comet
- dwarf
The most common type of star in our Galaxy.
- asteroid
- fireball
- comet
- dwarf
A shower of bright meteors or "shooting stars".
- the Lion
- the Great Bear
- Leonids
- fireballs
A body of matter from space which is large enough to reach the Earth without burning up in the atmosphere.
- meteorite
- meteor
- cluster
- dust
The name of one of the moons of Uranus.
- Mariner
- Miranda
- Pioneer
- Voyager
A mass of gas and dust in space. Some of them are made luminous by electromagnetic radiation while others are dark.
- nebula
- neutron
- Orion
- Odyssey
A unit of measurement used to measure the distance of stars.
- kilometre
- parsec
- second
- diameter
A star which is a source of radio signals from space.
- pulsar
- moon
- cluster
- nebula
Quasi-stellar radio source which is far out in space.
- moon
- nebula
- cluster
- quasar
One of natural satellites of the planet Saturn.
- shepherd
- Sputnik
- cluster
- dwarf
A star that explodes.
- nebula
- supercluster
- Supernova
- dwarf