Men have always been interested in the stars. The unanswered questions about the universe had been origin for many myths and legends. Even thousands of years ago the night sky had been explored, like foundings from the Maya and Inka and Stonehenge proove. Furthermore many religions like those of the Greek or the Egyptians include myths from the astronomy.
The astronomy is one of the oldest sciences. Probabely the greek were the first ones to explore the stars on a scientific basis. The planets from Merkur to Saturn were known. Some taught the helicentric ideas. Still, most of the people still believed in a geocentric universe.
After that there was a long break in stars research caused by the church. Only in the renaissance the science came to life again. One of the most famous astronomers of this time had been Galileo Galilei. He observed the Moons of Jupiter and came up with the idea of a heliocentric universe. Galilei had to renounce the latter. But with Kepler and Kopernikus the heliocentric ideas became more and more part of the people's thinking.

Astronomy means "stellar lore" and explores the universe based on observation and mathematical and physical models. It discribes the allocation and movement of matter, its origin and development and the structure of the universe as a whole. The modern astronomy is devided in the classical astronomy, wich deals with the observation of stars and exploration for new planets etc., the astrophysics, which tasks are to get information and interpretation of the rays of the objects in the universe, and the cosmology.

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