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STARDOME PRESENTS THE SOLAR SYSTEM Images by courtesy of The Earth – our home in space The Universe of Galaxies Each galaxy is a city of stars Our galaxy – the Milky Way You are here Stars in the Milky Way 500 light years 500 light years = 500 x 9 000 000 000 000 kilometres 500 light years = 4 500 000 000 000 000 kilometres! The Sun – our local star A sunspot An area of cooler gas sinking into the sun Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune Pluto 4 small rock planets 4 giant gas planets Orbits of the inner planets Orbits of the Outer Planets Daytime Mercury 420 degrees Night Minus 180 degrees Meteorite craters No air No water No life Venus Shrouded in clouds Venus Uncovered by radar Surface of Venus Acid clouds Suffocating carbon dioxide Temperature 500 C Crushing atmosphere Earth Warm Air Water Life Seasons on Earth Summer Sun Winter Long days Short days Short Nights Long nights Sunset over Europe The Moon Phases of the Moon Sunlight Just one small step….. MARS Meteorite craters Valleys Volcanoes MARS, THE RED PLANET The face on Mars? Surface of Mars Thin carbon dioxide atmosphere Temperature minus 20 degrees C Water frozen into soil Water on Mars Mars from orbit Showing river channels made by water long ago Surface of Mars from the Spirit lander Mars Express: Volcanic crater 1 km wide A human landing on Mars – maybe by 2020? Asteroids Meteorite Crater, Arizona Deep Impact Jupiter – gas giant 60 moons The 4 great moons of Jupiter Io Europa Ganymede A world of volcanoes Ice covered Ice covered, largest moon in the Solar System Water beneath the ice? Callisto Ice surface, Covered in craters Saturn, Lord of the Rings Titan 30 Moons 15 January 2005: Huygens spacecraft lands on Titan TITAN The only moon known to have an atmosphere. URANUS: 21 moons Uranus A planet knocked on its side NEPTUNE: 11 Moons Planet 10 ? Sedna Diameter: 1600 km Distance from Sun: 13 billion km Not a planet: one of many icy worlds in the Kuiper Belt beyond Pluto PLUTO Charon COMET A space iceberg The Oort Cloud of comets COMET HALE-BOPP 1997 Gas tail Dust tail Meteor – shooting star 12 August 13 December Meteor Storm ! The Solar System Nine wonderful worlds SOLAR SYSTEM Is a STARDOME PRODUCTION By DENNIS ASHTON, FRAS Images from