2. Astronomy 105 Classical and Modern Astronomy

3. Astronomy 105 l Class Syllabus Class Syllabus l Lab Syllabus Lab Syllabus l Course Supplies Course Supplies l Text l Lab Manual l Clickers l masteringastronomy.com masteringastronomy.com

4. Why Clickers? Active learning last longer than passive listening Active learning last longer than passive listening Help you find out what you really don’t understand and what you need to think about further Help you find out what you really don’t understand and what you need to think about further Proper use leads to higher grades Proper use leads to higher grades Credit for participation Credit for participation Clickers are fun! Clickers are fun!

5. Channel Setting Instructions for ResponseCard XR 1.Press and release the “MENU” button. 2.Scroll down to “Change Channel” using the “Yes” / ”No” buttons and press “Enter”. 3.Enter channel number “60” and press “Enter”. 4.This Message Appears if successful… Channel Changed Receiver Found

6. Exam Topics l Sky Motions and History l Light and Telescopes l Stars and Galaxies l The Solar System

7. A Sense of Scale l The Earth l Solar System l The Milky Way Galaxy l Local Group of Galaxies l Universe

9. Questions l How many stars are there? l What is the closest star to Earth? l What is the brightest star in the sky? On what horizon to stars rise? Set?

10. l The sky is a master calendar. l Day l the time for one Earth rotation l Year l the time for one Earth orbit around the Sun l Month l the approximate time for the Moon to orbit the Earth

11. End of Section