a presentatio for astronomy it has information on history and the different astronomer that contribute best to astronomy.

1. Astronomy

2. History of Astronomy Astronomy: A Greek work Astronmeans star. Nemeinmeans to arrange or distribute.

3. Heresy Thousands of people were killed , usually being burned as heretics, because their belief were contrary to the pope's and Catholic Church.

4. Stonehenge Perhaps to mark the season like summer solstice or to party and celebrate the seasons or maybe for agricultural reason… who know?

5. Sun Dagger Chaco Canyon, New Mexico (1000AD)A celestial calendar of the ancient Pueblo Indians. The calendar marks, with precise light patterns, the summer and winter solstices, the spring and fall equinoxes, and the cycle of the moon. Did Native Americans make other things like this?

6. The Benefits of Astronomy Chinese Calendar Egyptian Calendar

7. The most famous Calendar! The Maya’s believed that civilization goes through predictable cycles. These cycles repeat every 256 years. we currently live in the cycle named “Katun 4 Ahau” which began in 1993 and ends in 2012. The cycle that begins in 2012 is named “Katun 2 Ahau” and ends in 2032. THE WORLD WILL NOT END YET ACCORDING TO ASTRONOMY

9. Planets moved in perfect circles

10. Complicated geometric systems

13. Rotation of the earth on a axis

15. Finally Pardon by the Vatican Finally, in 1992, three years after Galileo Galilei's namesake spacecraft had been launched on its way to Jupiter, the Vatican formally and publicly cleared Galileo of any wrongdoing. Pardon along with the jews and native people.

16. Benefits of Astronomy NOW Wireless Networking

18. 1925: Discovers Galaxies beyond Milky Way

19. 1929: Discovers Universe is expanding- Develops Hubble's sequence.

20. 1935: Discovers asteroid #1373 called Cincinnati.

24. EDWIN POWELL HUBBLE

25. Observational Astronomers

26. Theoretical Astronomers