New Worlds in the Solar System
New Worlds in the Solar System Astr 1010-100
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This 2 page One Day of Notes was uploaded by Alyssa Karounos on Friday January 23, 2015. The One Day of Notes belongs to Astr 1010-100 at University of Washington taught by Dr. Oliver Fraser in Winter2015. Since its upload, it has received 156 views. For similar materials see Introductory Astronomy 1 in Astronomy at University of Washington.
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Date Created: 01/23/15
123 1 Goals A Explain in ways worlds in the solar system are classi ed 11 In the Ptolemaic system the sun and moon were planets A Brightness shows us how big or what it s made of 111 William Herschel 15491601 A discovered Uranus B discovered the moons Oberon Titania Enceladus and Mimas C Physics discovered infrared light D Telescopes made gt400 E Symphonies written 24 IV Other Planets A Ceres discovered in 1801 1 looking at gap between Mars and Jupiter found Ceres 2 orbits right spot but very small 3 More worlds discovered in the region and now called asteroids 4 Sun and Jupiter create gravitational wells 5 asteroids create dust called zodiacal light B Neptune 1846 1 18211840 Alexis Boward found that Uranus just wasn t moving right 2 Urbain Le Verries analyzed the movement and estimated where the perturbing object might be located 3 and Johann Galle found it in 1846 4 Neptune was the first planet found with knowledge of and use of gravity and physics C Discovery of Pluto 1 took a very long time 2 too small to nd info on 3 wanky orbit 4 2300 and 2400 kilometers D Found Eris 1 diameter 2336 12 Km E Trans Neptunian Objects V What do planets really have in common to declare them Planets A finding other planets in the universe by blinking stars 1 failed B Kepler Mission found new planets C Size does not determine distance from star D 1 5th of the stars you expect to find planets E Use worlds not planets VI How Galileo knew Copernicus s model was correct over Ptolemy s A he saw venus in more phases than just crescents B Ptolemy s would only have crescent venus because it is always facing the sun C A givus venus means that venus goes behind the sun