اليك تعبير astronomy
The Astronomy Sun Science old. Held astronomers first methodological notes of the sky in the evening, was discovered Textile astronomical during periods of very early stage. However, it was necessary invention of the telescope before it turns to astronomy it is modern science. Included astronomy diverse disciplines Throughout history, such as astrometry, celestial navigation, and observational astronomy, and the development of calendars, astrology, but professional astronomy is a synonym for Physics astronomer.
Since the twentieth century, divided the field of professional astronomy to the branches of observational and theoretical. The focus of astronomy observational to collect and analyze data using the basic principles of physics. While interested in astronomy theoretical development of computer or analytical models to describe the objects and astronomical phenomena. Complements the sub to each other, as it seeks Astronomy theoretical interpretation of observational results, and use observations to emphasize the theoretical results.
Amateur astronomers and contributed in many important discoveries, where astronomy is a science that few enthusiasts can play a significant role, especially in the detection and monitoring of phenomena in transit.