1. Our Solar System The 9 (or 8? or 10+?) Planets and their satellites The 9 (or 8? or 10+?) Planets and their satellites http://www.yorku.ca/observe http://www.yorku.ca/observe Any questions? … E-mail: pdelaney@yorku.ca Any questions? … E-mail: pdelaney@yorku.ca

2. York University Astronomical Observatory Open every Wednesday night of the year for public tours

3. Best views of Mercury from Earth

4. Mercury in 1975 (new photos due in 2008 from the Messenger mission launched in 2004)

5. Venus: like Earth?

6. From the surface:

7. Unique Features:

8. The Earth – Moon System

9. Earth: Our Home

10. Earth: Interior

11. Aurora: Natural ‘fireworks’ in the sky

12. An aurora from Earth orbit

13. The Moon: Near and Farside Views

14. People on the Moon 1969 - 1972

15. Space Shuttle Launch

16. The International Space Station (ISS)

17. Working in space

18. Mars: Two Views Ground TelescopeHubble Space Telescope

19. Mars: Up Close

20. Mars: On The Surface Phoenix 2007

21. The asteroid belt: we have taken close-up photos of only 4 asteroids!

22. Jupiter: The King of Planets

23. Jupiter’s Dynamic Atmosphere

24. Jupiter and Comet Shoemaker-Levy

25. Jupiter and its Satellites

26. Io and its Volcanoes

27. Europa and its ice-covered ocean

28. Saturn and its Rings

29. Mysterious Titan Titan from Cassini

30. Saturn’s Satellites Encelardus Dione

31. Uranus and Neptune

32. Neptune and Uranus

33. Pluto: Best Views until 2015

34. Pluto and Charon: Planet and Moon, or just a pair of big, icy asteroids?

35. A 10 th planet? (artist’s impression)

36. 2003 UB313 is bigger than Pluto! Is it the 10 th planet, or just another icy asteroid?

37. Comet Hale Bopp

38. Any Questions …