- noun a group of stars that forms a distinct shape and has a name
- Area of the sky accepted by astronomers as a unit of the celestial sphere. Many constellations are still called after the familiar objects or mythological figures picked out by ancient astronomers in the patterns made by their prominent stars, an exception being the constellations of the extreme southern hemisphere, which were named in the last few hundred years. 88 constellations are now recognised by the International Astronomical Union.
- noun the ‘pattern’ caused by events of the present combined with events of history