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Our Solar System The 9 (or 8? or 10+?) Planets and their satellites http://www.yorku.ca/observe Any questions? … E-mail: [email protected] York University Astronomical Observatory Open every Wednesday night of the year for public tours Best views of Mercury from Earth Mercury in 1975 (new photos due in 2008 from the Messenger mission launched in 2004) Venus: like Earth? From the surface: Unique Features: The Earth – Moon System Earth: Our Home Earth: Interior Aurora: Natural ‘fireworks’ in the sky An aurora from Earth orbit The Moon: Near and Farside Views People on the Moon 1969 - 1972 Space Shuttle Launch The International Space Station (ISS) Working in space Mars: Two Views Ground Telescope Hubble Space Telescope Mars: Up Close Mars: On The Surface Phoenix 2007 The asteroid belt: we have taken close-up photos of only 4 asteroids! Jupiter: The King of Planets Jupiter’s Dynamic Atmosphere Jupiter and Comet Shoemaker-Levy Jupiter and its Satellites Io and its Volcanoes Europa and its ice-covered ocean Saturn and its Rings Mysterious Titan Titan from Cassini Saturn’s Satellites Encelardus Dione Uranus and Neptune Neptune and Uranus Pluto: Best Views until 2015 Pluto and Charon: Planet and Moon, or just a pair of big, icy asteroids? A th 10 planet? (artist’s impression) 2003 UB313 is bigger than Pluto! Is it the 10th planet, or just another icy asteroid? Comet Hale Bopp Any Questions …