Lec01-Jan18[1] - Astronomy Astrophysics Cosmology Physics...

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Unformatted text preview: 1/18/11 Astronomy / Astrophysics / Cosmology Physics 109: Astronomy & Cosmology 01:750:109:01 Spring 2011 Prof. Chuck Keeton The applicaEon of physical principles to astronomical systems, including planets, stars, galaxies, and the universe as a whole. Who are we? Why are we here? Where are we? How did we come to be here? Jan. 18 Our Cosmic Address Solar System This course! Jan. 18 Jan. 18 Solar System: ConnecEons A Sense of Space Atmospheres--greenhouse effect Impacts Tides Volcanoes Jan. 18 Jan. 18 Comets and asteroids 1 1/18/11 Extrasolar Planets As of today: 518 planets 434 planetary systems 54 mulEple-planet systems (ar.st's concep.ons) Jan. 18 Jan. 18 Stars hZp://www.daviddarling.info/archive/2010/archiveJul10_2.html Galaxies Guiding Principles Astronomy is a physical science Astronomy is a quanEtaEve science Jan. 18 Jan. 18 Physical Principles gravity light temperature pressure Learning Goals Understand physical principles and their applicaEon to astronomical systems. Become familiar with science as a way of knowing. opEcs Learn about exciEng developments in astronomy! measurement heat atoms Jan. 18 Jan. 18 Syllabus hZp://www.physics.rutgers.edu/~keeton/109 2 1/18/11 iClickers Tools to help you engage in acEve learning. Let us probe deeper into certain topics, and help you keep up with the material. I pose quesEons during class. You respond using your iClicker remote. We discuss the results. You earn points--for parEcipaEng, and for answering correctly! Jan. 18 iClicker Points Quiz QuesEons 1 point for responding + 4 points for correct answer Discussion QuesEons first try: 1 point for responding + 1 point for correct answer discuss second try: 3 points for correct answer I will drop your 4 lowest class scores (to account for occasional Emes when you miss class, forget your iClicker, ...). There will be some bonus opportuniEes... Jan. 18 How do you use an iClicker? 1. Turn on the iClicker remote by pressing the boZom "On/Off" buZon. 2. A blue "Power" light will appear at the top of the remote. How do you vote? When I ask a quesEon in class (and start the Emer), select A, B, C, D, or E as your vote. You may vote as many Emes as you like while the Emer is running; only the last vote counts. For discussion quesEons, aqer the first vote I may ask you to discuss the quesEon with your neighbor(s). Jan. 18 Jan. 18 How do you know your vote was received? Check your "Vote Status" light: Green light = your vote was received. Red flashing light = you need to vote again. Not sure you saw the light? Just vote again. Want to change your vote? You can revote as long as the Emer runs. Sample QuesEon What are your plans for the companion course, PHY110? A. B. C. D. E. I have already taken PHY110. I am taking PHY110 now. I will definitely take PHY110 in the future. I might take PHY110 in the future. I will never take PHY110. Jan. 18 Jan. 18 3 1/18/11 Registering your iClicker iClicker Eps Register your iClicker ASAP. Friday is prac.ce. Regular quizzes begin next week. Remote ID Student ID = Sakai username Write your name/iniEals on your iClicker. If you bought a used iClicker, replace the baZeries. Before using a new iClicker for the first Eme, pull the plasEc tab out of the baZery compartment. iClicker + liquid = bad news! Check out www.iclicker.com for FAQs. Contact [email protected] for help. Jan. 18 http://iclicker.com/registration Jan. 18 How to succeed in this course Read the book before class. Learning Goals, illustraEons, text, Summary focus on concepts Do the assigned homework exercises. Quick Quiz answers are in Appendix D but try to answer them yourself first, and make sure you understand the answers Come to class, bring your iClicker and quesEons about the material. Come to my office hours if you need help. Jan. 18 4 ...
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