Quickasteroids - the Sun sublimated gas & dust...

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A Quick Look at Asteroids, Comets, and Meteorites
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Small Bodies in the Solar System asteroids rocky or metallic in composition most are located between the orbits of Mars and Jupiter
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Properties of Asteroids small in size. the largest one, Ceres , is only 1,000 km across not spherical in shape. gravity not strong enough to compress rocky material some are fragments from asteroid collisions
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Hayabusa
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NEAR Shoemaker
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Kuiper belt comets orbit beyond Neptune orbit in same direction and plane as the planets Oort cloud comets orbit at the outer fringe of the Solar System spherically distributed about the Sun Small Bodies in the Solar System Comets - made mostly of ice
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Composition and Structure of Comets Comets are “dirty snowballs”…ice mixed with rock and dust. ices are H 2 O, CO 2 , CO, NH 3 , CH 4 nucleus the “dirty snowball” how the comet appears far from the Sun coma surrounds nucleus when near
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Unformatted text preview: the Sun sublimated gas & dust plasma tail ionized gas swept back by Solar wind dust tail dust particles swept back more slowly by radiation Comet McNaught Deep Impact! Dwarf Planets Planet Orbits the Sun Nearly spherical Has cleared out its orbit Dwarf Planet Orbits the Sun Nearly spherical Has not cleared its orbit Is not a satellite Dwarf Planets Pluto Kuiper Belt object Makemake Kuiper Belt object Ceres asteroid Eris Scattered disc object Eris Discovery Pluto and Charon Plutos moon, Charon, orbits Pluto every 6.4 days This allows us to measure the mass of Pluto using Keplers Law #3. Eclipses allow us to measure the diameters of both Pluto & Charon. Hubble ST image of Pluto & Charon New Horizons spacecraft to arrive at Pluto in 2015!...
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Quickasteroids - the Sun sublimated gas & dust...

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