As with any field of scientific study, astronomy has a long list of important terminology. So we've put together this glossary where you can check you fully understand the meaning of the common terms, as well as some of the more unusual words.

A -- B -- C -- D -- E -- F -- G -- H -- I -- J -- K -- L -- M -- N -- O -- P -- Q -- R -- S -- T -- U -- V -- W -- X -- Y -- Z

Words beginning with 'Q' :

Quasar (aka Quasi-stellar object or QSO) : extremely bright center of a galaxy with an active black holes. The light is emitted from the intensely heated material in an accretion disk around a black hole. Quasars outshine galaxies they reside in, and can typically be 100 times brighter. They emit energy right across the electromagnetic spectrum, from radio to X-ray wavelengths.

Resources :

To support the quizzes in each section, we've put together some extra resources to provide further information: