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Chapter 7

by: Ashley Notetaker

Chapter 7 41087 - AST 115 - A

Ashley Notetaker
Basic Astronomy
Robert S Patterson

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About this Document

Even though the exam is over, here are all of the chapter 7 notes in case you need a reference. Good luck studying!
Basic Astronomy
Robert S Patterson
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Popular in Basic Astronomy

Popular in Physics 2

This 4 page Bundle was uploaded by Ashley Notetaker on Saturday October 10, 2015. The Bundle belongs to 41087 - AST 115 - A at Missouri State University taught by Robert S Patterson in Fall 2015. Since its upload, it has received 20 views. For similar materials see Basic Astronomy in Physics 2 at Missouri State University.


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Date Created: 10/10/15
10515 Notes over Outer Planets Jupiter RotationRevolution 12 years 10 hours Atmosphere Clouds are drawn out into light and dark stripes parallel to the equator Many white and brown ovalsLargest is the Great red spot giant hurricane like storm in Jupiter s cloud tops About 2x Earth s size Interior Mostly H Outer mantle is liquid H Inner mantle is liquid metallic H Core may consist of ices and rock Magnetosphere Jupiter is ideal for a magnetic field Fast rotation fluid interior and metallic H largest strongest field of all planets Satellites of the Solar System Mercury 0 Venus 0 Earth 1 Mars 2 Phobes and Deimos Jupiter 67 lo Europa Ganymede Calisto Saturn 62 Titan Uranus 27Miranda Neptune 13 Triton Total 172 moons Jupiter s Moons Io About the size of our moon Has active volcanoes that change its surface continually Sulfur compounds coat it with a variety of colors Energy to melt interior rock into lava must come from tidal effects on Io due to Jupiter and other satellites Europa About the size of our moon Cracked icy crust reminiscent of Earth s polar ice May be liquid water ocean dozens of km deep beneath a few km of ice Ganymede About the size of Mercury Largest moon in our solar system Has a varied surface with old cratered sections and grooved rigid terrain Has low Avg density and probably ice interior Calisto About the size of Mercury Covered with ancient craters Little geological activity for about 4 billion years Ring Systems of Jovian Planets Jupiter 3 outermost distance 18 radius microscopic size Saturn 3 outermost distance is 23 radius composed of ice baseball size Uranus 13 outermost distance is 22 composed of dust smaller than sand Neptune 54 outermost distance is 25 composed of dust smaller than sand Roche limit is about24 planet radii inside which satellites should disintegrate due to tidal effects Saturn RotationRevolution 295 years 105 hours Atmosphere Similar to Jupiter w clouds Mostly H Interior Similar to Saturn but outer mantle is thicker Satellite Titan has an atmosphere of mostly nitrogen Pressure of about 15 bars Extremely cold 290 F Some liquied methan found on Titan Rings 3 rings seen from Earth made of smaller ringlets Including outer fring Discovery of Uranus Discovered in 1781 7th planet Discovered by William Hershel Discovered accidentally while making star charts Discovery of Neptune Discovered in 1864 8th planet Discovered based on math predictions Discovered by AdamsLeverrierGalle Discovery of Pluto Discovered in 1930 9th planet Discovered by Clyde Tombough Discovered after of methodical photographic search Uranus Featureless aquaplanet RevolutionRotation 84 years 1724 R hrs Atmosphere Mostly H blue due to trace amounts of methane Interior Ice giant Rocky core highly compressed water inner mantle liquid H outer mantle Magnetic Field Similar to Earths Tilt Greatest tilt of any planet almost in the plane of orbit Moon Miranda smallish about 300 mi across strange surface type may have been fragmented by giant impact cliff at 5 o clock about 20 km tall Rings 13 Neptune Features Great dark spot similar to great red spot storm ice giant RevolutionRotation 165 years 161 hrs Atmosphere Mostly H Blue green color some white clouds Moon Trition Low pressure atmosphere large satellite liquid nitrogen geysers Magnetic Field Similar to Earth s Temp 395 F Rings Very dark rings Had to mark off Neptune to see Rings Rings may contain carbon


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