Azimuth
DefinitionAzimuth is a coordinate that identifies the direction of a celestial body along the local horizon. It is measured in degrees around...
Andromeda
DefinitionAndromeda is a northern constellation named for the princess in Greek mythology who was chained to a rock and later rescued by...
Astrolabe
DefinitionAn astrolabe is a historical astronomical instrument that represents the sky on a flat, rotating model. Its principal components typically include a...
Northern Fish
DefinitionThe Northern Fish, traditionally called Piscis Boreus, is one of the two fish forming the constellation Pisces. It appears north of the...
Sesquicentennial
DefinitionSesquicentennial literally means a 150th anniversary or a period of 150 years. It is a historical and calendrical term rather than a...
Greck Head of Typhon
DefinitionGreck Head of Typhon is a rare, archaic astrological expression associated with the Dragon’s Head, or North Lunar Node. The lunar nodes...
