1. Galileo and the Impact of the Telescope on Astronomy Danny Pan Drexel University 10/21/09

2. International Year of Astronomy  No night without a telescope (Oct 18. to Nov. 24)  www.haverford.edu/iya2009/ www.haverford.edu/iya2009/  Sunday – Villanova  Monday – Widener  Tuesday – Swarthmore  Wednesday – Drexel  Thursday – Franklin Institute  Friday – West Chester  Saturday – Haverford AND UPenn

3. The Telescope  Galileo Galilei (1609)

4. Jupiter

5. Moon and the Sun

6. Phases of Venus

7. Geocentric vs. Heliocentric  Ptolemy (Geocentric) Copernicus(Heliocentric)

8. Galileo vs. Roman Catholic Church  Galileo published findings in 1610  Supported Heliocentric Model  In 1614, Father Tommaso Caccini denounced Galileo’s findings, calling it heresy  In 1632, papal trial found Galileo suspect of heresy, put under house arrest  Under house arrest until 1642, when he died  October 31, 1992, Pope John Paul II apologized

9. Keck, 10 meter telescope in Hawaii

10. Gemini, 8 meter telescope in Chile

11. Hubble Space Telescope, 2.4 meter telescope in Space

12. Pictures (Crab Nebula)

13. Pictures (Antennae galaxy)

14. Pictures (Eagle Nebula)

15. Astronomers use the Whole Spectrum of Light

16. Composite Images (M81)

17. LCROSS