Theories of the Stonehenge: Background of the theories

Archaeoastronomy
Archaeoastronomy which is also called archaeoastronomy is the study of how past people understand the phenomena in the sky, how they used the phenomenon in the sky, and what role the sky played in their culture. Archeoastronomy is in relation to ethnoastronomy which is the anthropological study of sky watching in the society today.
Archaeoastronomy is also related to historical astronomy which is the study which uses historical records of events to answer astronomical problems of the past.