Archeoastronomy is the study of how ancient civilizations understood astronomy. It examines past people’s cultures, religions, and lore and observes how it affected their art and architecture. There are many examples of this throughout history and through archeoastronomy, we can learn about the development of astronomical thought around the world. (Source)
Archeoastronomy was developed through the Stonehenge in the 1960s where scientists discovered that it was used to predict the suns and moons eclipses. (Source) Other examples or archeoastronomy include the pyramids of Giza and the Lascaux Cave in France. Theories about the pyramids include the alignment of the stars in the Big Dipper to show where north is and astronomical carvings on the pyramids. The caves in France indicate early star charts and are illuminated by the sunset on the winter solstice. (Source). All of these examples show how astronomy was studied thousands of years ago.