Science glossary film: Astronomy

The branch of science that studies the physical universe beyond Earth's atmosphere. It is probably the oldest scientific discipline. Prehistoric civilizations have left behind artifacts that clearly demonstrate some astronomical knowledge, and methodical observations of the night sky were made by early civilizations in China, the Americas, central Asia and Africa.

It is probably the oldest scientific discipline. Prehistoric civilizations have left behind artifacts that clearly demonstrate some astronomical knowledge, and methodical observations of the night sky were made by early civilizations in China, the Americas, central Asia and Africa.