A C B Physics 109 - Astronomy Introduction Am I in the right place? Everyone Pick Up: Syllabus Set of voting cards Eric Carlson “Eric” “Professor Carlson” Olin 306 Flexible Hours 758-4994 ecarlson@wfu.edu A C B http://users.wfu.edu/ecarlson/astro/ http://www.masteringastronomy.com 8/31

Dr. Carlson’s Approximate Schedule Monday Tuesday Wednesday Thursday Friday 9:00 research research 10:00 PHY 712 office hour PHY 712 office hour PHY 712 11:00 office hour office hour 12:00 PHY 109 office hour PHY 109 office hour PHY 109 1:00 PHY 215 office hour PHY 215 office hour PHY 215 2:00 research research Lab Meeting research 3:00 Collins Hall 4:00 Free food Collins Hall colloquium 5:00 I will try to be in my office Tues. Thurs. 12-1 When in doubt, call/email first

Materials The Essential Cosmic Perspective, 7th edition Calculator Laptop Starry Night access code Mastering Astronomy access code associated with text http://users.wfu.edu/ecarlson/astro/ http://www.masteringastronomy.com

B A C Concept Questions I present a multiple choice question Round 1 – You must figure out or guess the answer, then vote with your cards You discuss the questions with your classmates Round 2 – You get a second chance to get the answer right B A C Do you understand how concept questions work? A) Yes, I’ve done it before B) Yes, though it’s new to me C) Sort of, I’ll figure it out D) Huh?

Mastering Astronomy Everyone needs to sign up for Mastering Astronomy http://www.masteringastronomy.com Log onto website using your access code Sign up for this class: PHY109F2016 Input your 8-digit student ID (Not the digit after the space) Homework should be visible a week in advance This Week Only: there is an extra assignments “due” “Introduction to Mastering Astronomy” is not graded, but I recommend doing it anyway Homeworks A, B, C … are graded

Reading and Homework Assignments Date Assignment Today Secs. 1.1-1.3 Friday Secs. 2.1-2.3 Sunday Intro to … and Homework A Wednesday Sec. 2.4, Secs. 3.1 – 3.3 Reading Assignments almost every class day Posted on the web Reading quizzes will review readings, approximately

Homework Homework is due at 11:50 PM every Sunday You can complete the homework late, but you cannot get credit for it If you think you have a good excuse, let me know and I can grant extensions To get full credit, get it right the first time On 4-way multiple choice, you lose 33% on each failure On most problems, you lose 5% on each failure Hints are also available Tiny bonus if you don’t use hints You may discuss homework with others, but do it yourself Getting homework done for you is honors code violation

Astronomy Labs Olin 105 Once a week, 8-10 PM Date depends on your lab section Cannot go to a different section Labs start Sunday Taylor Ordines Sun, Mon Calculator Laptop Starry Night Software Lab Manual – from website Or bring cash Ritchie Dudley Tue-Thu

Astronomy Labs What if I miss a lab? TA’s cannot excuse absences Call me/email me immediately (758-4994) If it is scheduled in advance, let me know If you are too sick to call or email, doctor’s note To make up a lab: Get a make-up sticker from me Check online for when you can make it up Attend the lab, and put the sticker on your lab Inform your regular TA you have made it up One lab grade is dropped

Your final is Friday Dec. 16 Exams Exam Date Length Test 1 Sep. 21 33 Q Test 2 Oct. 19 33 Q Test 3 Nov. 14 33 Q Final Dec. 16 66 Q Multiple Choice Hard Emphasize Concepts All formulas provided Note Error on Syllabus Formulas in red boxes are on the test Your final is Friday Dec. 16 Plan Accordingly The normal penalty for cheating is an irreplaceable F in the course and one term suspension from WFU.

Absences - from Exams Call me/e-mail me immediately (758-4994) If you are too sick to call, doctor note Schedule make-up time with me

Pandemic Plans If there is an emergency shutdown of the school: Check the website for instructions: http://www.wfu.edu/~ecarlson/astro Check your email Call me at home: 336-724-2008 Call my cell: 336-407-6528

If you fail Lab, you fail the course! Grading Scheme Grading Scale: A 94% C 73% A- 90% C- 70% B+ 87% D+ 67% B 83% D 63% B- 80% D- 60% C+ 77% F <60% Grading Breakdown Exam 1 14% Exam 2 14% Exam 3 14% Final 28% Labs 15% Homework 15% If you fail Lab, you fail the course!

Units in Astronomy Time s min = 60 s hr = 60 min day = 24 hr yr = 365.25 day kyr = 103 yr Myr = 106 yr Gyr = 109 yr Distance m m = 10-6 m km = 103 m AU = 1.5108 km ly = 0.9461013 km kly = 103 ly Mly = 106 ly Gly = 109 ly (pc = 3.26 ly) Angles degrees 1o arc-minute 1' = o arc-second 1" = ' The Sun has an angular size of 32', which is about the same as A) 2 o D) 2" B) 1 o E) 1" C) ½ o F) ½ "

The Calendar is Based on the Sky The day The Sun rises and sets every day The year The Sun’s altitude in the sky changes over the year The month Moon cycles through its phases roughly every 29.5 days The week Days of the week are named after celestial objects Sunday Sun Monday Moon Tuesday Mars Mardi Wednesday Mercury Mercredi Thursday Jupiter Jeudi Friday Venus Vendredi Saturday Saturn