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Textbook Notes for Astronomy at University of Texas at Austin (UT-AUSTIN)


UT-AUSTINAST 309LScalo JohnSpring

AST 309L Chapter Notes - Chapter 5: Human Genome Project, Carcinogen, Genetic Code

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Chapter 5: the nature of life on earth. If organisms are fairly diferent from earth, we will need clearer guidelines to decide whether or not they are
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UT-AUSTINAST 309Finkelstein KeelySpring

AST 309 Chapter Notes - Chapter 22: Nucleosynthesis, Triple-Alpha Process, Helium Flash

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UT-AUSTINAST 309Finkelstein KeelySpring

AST 309 Chapter Notes - Chapter 1-2: Double Star, Binary Star, Semi-Major And Semi-Minor Axes

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Brown dwarfs and other sub stellar bodies behave like giant planets, but most of them may form like stars. A cloud of gas and dust must start out cold
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UT-AUSTINAST 309Finkelstein KeelySpring

AST 309 Chapter Notes - Chapter 4: Reflection Nebula, Colour Index International, H Ii Region

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UT-AUSTINAST 309Finkelstein KeelySpring

AST 309 Chapter Notes - Chapter 11: 51 Pegasi, Gas Giant, Orion Nebula

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Simulations suggest that the sun may have captured many comets from the primordial star forming soup. Comets spend most of their time 5000-100000 times
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UT-AUSTINAST 309Finkelstein KeelySpring

AST 309 Chapter Notes - Chapter 7: Spiral Galaxy, H Ii Region, Star Formation

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Hii regions are emission nebulae created when young, massive stars ionize nearby gas clouds with high-energy uv radiation. Composed primarily of hydrog
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UT-AUSTINAST 309Finkelstein KeelySpring

AST 309 Chapter Notes - Chapter 3: Low Mass, Solar Mass, Protostar

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Stable main sequence stars maintain equilibrium by producing energy through nuclear fusion in their cores. The ability to generate energy by fusion def
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UT-AUSTINAST 309Finkelstein KeelySpring

AST 309 Chapter Notes - Chapter 6: Molecular Cloud, Protostar, Star Formation

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Chapter 21: birth of stars and the discovery of planets outside the. Yso"s are not yet producing energy by nuclear reactions, but they derive energy fr
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UT-AUSTINAST 309Finkelstein KeelySpring

AST 309 Chapter Notes - Chapter 10: Kuiper Belt, Oort Cloud, Howardite

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The leading theory for the moon"s formation: born when a mar"s sized body smacked into the infant earth some 4. 5 billion years ago. If this were the c
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UT-AUSTINAST 309Finkelstein KeelySpring

AST 309 Chapter Notes - Chapter 5: Protoplanetary Disk, Combined Array For Research In Millimeter-Wave Astronomy, Protostar

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They are formed almost immediately after the collapse of a molecular cloud. Material further from the protostar with higher angular momentum falls inwa
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UT-AUSTINAST 309Finkelstein KeelySpring

AST 309 Chapter Notes - Chapter 9: Planetary System, Formins, Hr 8799

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Unusual discoveries in 2013: a planet found near no star, a gas giant orbiting at an unfathomable distance, and a system containing an orbital plane 45
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UT-AUSTINAST 309Finkelstein KeelySpring

AST 309 Chapter 7: Chapter Seven Notes

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The age of these surfaces is not necessarily the age of the planet as a whole. Geologically active objects can have planet weathering which erases evid
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