classical mythology - the system of mythology of the Greeks and Roman together; much of Roman mythology (especially the gods) was borrowed from the Greeks

mythical creature, mythical monster - a monster renowned in folklore and myth

Alpha Centauri, Rigil, Rigil Kent - brightest star in Centaurus; second nearest star to the sun

Beta Centauri - the second brightest star in Centaurus

constellation - a configuration of stars as seen from the earth

Omega Centauri - a global cluster in the constellation Centaurus

Proxima, Proxima Centauri - the nearest star to the sun; distance: 4.3 light years