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 'K' :

Kirkwood gaps : a region in the asteroid belt where there is an absence of asteroids. This is due to Jupiter affecting objects within this region.

Kuiper cliff : a gap or edge in the Kuiper belt. There is so far no detected 100 km or larger objects at about 55 AU where they would be expected.

Resources :

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