'Spherical cloud' presentation slideshows

Lord Kelvin

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Chapter 28

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The Oort Cloud and Comets

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Instruction:

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7.5 Other Objects in the Solar System

7.5 Other Objects in the Solar System. Comets, dwarf planets, meteoroids and asteroids are other important objects in the solar system Objects that circle the Sun beyond the orbit of Neptune are called trans- Neptunian objects

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A Cathode Ray Tube

Source of Electrical Potential. Stream of negative particles (electrons). Metal Plate. Gas-filled glass tube. Metal plate. A Cathode Ray Tube. Zumdahl, Zumdahl, DeCoste, World of Chemistry 2002, page 58. Background Information. Cathode Rays

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Asteroids and Meteoroids

Asteroids and Meteoroids. Asteroids Minor planets Largest: Ceres 1000km in diameter Made of rock and metal Trojan asteroids: on either side of jupiter Earth-grazers: pass within 2x distance to the moon Meteoroids Small pieces of rock or metal in space Meters to millimeters in size

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