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Astronomy 1001 Pick up handouts (3) on bar Section 2 Syllabus Astronomy 1001: Exploring the Universe Section 2, Spring semester 2013 Prof. Roberta M. Humphreys, 358 Physics, tel. 624-6530 Lectures: 10:10 – 11:00 am on Mon, Wed, Fri. in room 166 Physics. Office hours: 11:00 – noon MW -- The hour before class is usually a bad time except for very brief matters. -- I will usually be in class at least 5 minutes before lecture and can stay afterwards for several minutes. These are good times to take care of most questions. For routine questions about course material, please ask a TA first (see below). E-mail: [email protected] Warning: Don’t rely on e-mail for important or urgent questions. The inflow rate has become far too large. TA office hours, in 451 Physics (for routine questions): Hours will be posted on the doors outside rooms 450 and B49. Textbook: Recommended Book – Discovering the Essential Universe by Neil Comins. Any recently published introductory astronomy text however will be satisfactory. I recommend used and paperback copies for the best price. Note that exams are based on my lectures. So attend class and take notes. The textbook is useful for studying and review. Web page for Ast 1001 http://www.astro.umn.edu/courses/1001/ Book for the lab exercises: Astronomy 1001/1011H Laboratory Manual 2012-2013, a local production available in the university bookstore. Concerning the lab part of this course: 1. Labs are quite separate from the lectures. 2. Get a copy of the Astronomy 100/1011H1 Laboratory Manual 2012 – 2013, at the university bookstore. Since this book is a local production, most other stores won’t have it. 3. Important: Part of the lab course is an “observational project” concerning the Moon. Read about it and start observing the Moon as soon as possible! If you fall behind in this project, there honestly is no way to catch up. ( Note that the Moon is full on Jan 27 and visible all night. It will be in third quarter on Feb3 and visible after midnight into the early morning.) 4. A schedule for lab activities is appended to this syllabus. Grading: Officially we use the following recipe for final scores and grades. First mid-semester exam … Second exam … Final exam … 12 labs … Observational project … 160 pts.16% 160 16 % 300 30 % 240 24 % 140 14 % However, in effect the exams are even more important than these score-numbers indicate, for a statistical reason that will be mentioned in class. Grading will be based on a “modified curve”. Anyone earning 90% or better will earn an A- or higher. 50% is required to pass (D or better) and 60% for a C- or better. If you’re taking the course S/N, then a grade of ‘S’ will mean “C- or better (60%). Note: Furthermore, to get a passing grade you must earn 50% of the lab points (120/240) and 50% of the Obs. project points (70/140) and take all 3 exams. Exam dates: Dates for the two mid-semester exams have not been finalized yet but they will most likely be Mar 1, when I have finished the solar system and the week of April 8, when I have finished lecturing on stars. The correct dates will be announced in class at least a week in advance. In each case the rooms used for the exam will be announced in class. The final will be given ; Friday May 17, 10:30 am-- 12:30 pm, room TBD Academic standards: The CLA and CSE scholastic conduct and classroom procedures will be followed. You are responsible for knowing these, see the university website. Students are welcome to work together, exchange ideas, etc. But for the Observational Project you must do your own measurements and calculations. Exam procedures: Room assignments for the exams will be announced beforehand in class, Bring two pencils and a photo ID to each exam! Exams may include multiple-choice, short- answer, and essay questions. If you miss an exam, see the professor. All makeups are given on study day, May 11. Time and place to be determined. Exam scores will be posted by your course and ID# on the web. If you feel there’s a mistake on the multiple-choice part of an exam, please see the secretary in the astronomy department office, 356 Physics. Questions about essay questions should be directed to the professor. Environmental theme: This course satisfies the “environmental theme” specified on the university website. It introduces students to a wide range of topics, including physical principles and not just astronomy. One goal is to show the Earth in a broad context with a unique perspective on our home planet and its environment in the universe. In this course we’ll see how science views and interprets the physical world around us. Ast 1001 Section 2 Professor Humphreys Outline of Lectures powerpoints will be posted at http://www.astro.umn.edu/courses/1001/ Week Dates Topic(s) 1 Jan 23, 25 Introduction Historical Perspective 2 Jan 28,30 Feb 1 3 Feb 4,6,8 4 Feb 11, 13,15 5 Feb 18,20,22 6 Feb 25,27, Mar 1 Appearance of the Night Sky, Motions of the Earth and Moon Text Ch 1 Ch. 2 Ch.1, 2 Light, optics and telescopes Ch. 3 pg 61-88 Formation of Solar System, Extrasolar planets Ch 2, pg 43-58 Terrestrial planets Jovian Planets and their satellites Minor and dwarf planets, comets, meteors Role of Impacts. First Exam Mar 1 ? Ch. 4, 5 Ch. 5 Ch. 6 Ch. 6 Week Dates 7 Mar 4,6,8 8 Mar 11,13,15 Mar 18 – 22 9 10 Mar 25,27,29 April 1,3,5 Topic(s) The atom and spectroscopy The Sun as a Star Properties of the stars Text Ch. 3, pg 89-102 Ch. 7 Ch. 8 Spring Break Star formation, Stellar Evolution Star Death - white dwarfs, supernovae, neutron stars, black holes Ch. 9 Ch. 10 Second Exam -- week of April 8 11 12 13 14 15 April 8,10,12 April 15,17,19 April 22,24,26 April 29, May 1,3 May 6, 8, 10 Second Exam , Milky Way Normal Galaxies Galaxies and the distance - redshift relation Origin, evolution, and fate of the Universe Life in the Universe, (catch - up) Ch. 11 Ch. 11 Ch. 11 Ch. 12 Ch. 13 FINAL EXAM Sect 2 Friday, May 17 th, 10:30 am - 12:30pm, room TBD Schedule for Labs Spring 2013 Ast 1001 Week of Jan 21 no lab meetings Jan 28 Lab exercise D (Moon) Feb 4 exercise A (Distances) Feb 11 B (Kepler's Laws) Feb 18 E (Telescopes) first 3 Moon observations (Part I) due Feb 22, 5 pm Feb 25 L (Impacts) Mar 4 M or N (Life) Mar 11 I ( Energy) Mar 18 Spring Break Mar 25 NO LAB At least six new Moon observations (Part II) due Mar 29, 5 pm Apr 1 F (Spectroscopy) Apr 8 H (HR Diagram) Apr 15 K (History of Matter) Apr 22 J (Expansion of Universe) Final Moon Obs project due April 26, 5 pm Apr 29 G (Dark Matter) May 30 NO LAB Astronomy -- the study of the stars The Sun and solar system The Stars -- their birth and death Galaxies and the Universe In Astronomy we are concerned with origins and endings --Your concepts of space and time will be altered. Time = Ages Earth, Sun and Solar System --- 4.5 x 109 yrs --- 10 x 109 yrs Age of Galaxy (oldest stars) --- ~ 12 x 109 yrs Solar Lifetime Age of Universe (expansion age) --- ~ 12 – 13 x 109 yrs Space = Distances Earth – Moon --- 284,400 km ( 240,000 mi) Earth – Sun --- 150 x 106 km ( 93 million miles) Solar System (to Pluto) --- 5.9 x 109 km (3.7 billion miles) Nearest Star --- 4.3 light years ( ~ 41 x 1012 km ) Center of Galaxy --- 27,000 light years ( 256 x 1015 km) Andromeda Galaxy --- 2.3 x 106 light yrs ( 22 x 1018 km )