Asteroid Belts	Asteroids
Black Dwarfs	Black Holes
Brown Dwarfs	Comets
Cosmic Rays	Damocloids
Dark Energy	Dark Matter
Dwarf Planets	Electromagnetic Radiation
Galaxies	Galaxy Clusters
Giant Planets	Humans
Intergalactic Space	Interplanetary Medium
Interstellar Cloud	Interstellar Medium
Interstellar Space	Magnetars
Magnetic Fields	Meteoroids
Moons	Natural Satellites
Nebulae	Neutrinos
Neutron Stars	Planetary Systems
Planetesimals	Planets
Plasma	Primordial Black Holes
Pulsars	Quasars
Radio Signals	Ring Systems
Satellites	Solar Systems
Solar Wind	Space Dust
Space Junk	Space Stations
Spacecraft	Star Clusters
Stars	Stellar Wind
Superclusters	Supergiant Stars
Terrestrial Planet	The Heliosphere
The Sun	Trojans
Vacuum	Warm–Hot Intergalactic Medium
White Dwarfs