Astronomy the study of celestial objects stars galaxies

Astronomy (the study of celestial objects: stars, galaxies, planets, nebulae, star clusters and the origins of all space and time) Origins of the Universe 1. How is current scientific data used to develop theories explaining the origins of the universe? Light Years 1. How are the vast distances and sizes of the components of the universe measured? Life Cycle of a Star • How do stars change over time? 2. How are stars classified on a Herztsprung-Russell Diagram? Electromagnetic Spectrum 1. What is the electromagnetic spectrum? 2. What information do different wavelengths reveal about the components of the universe? Galaxies 1. What are the components of the universe and how do we know their characteristics? 2. What is the relationship of our Sun to other stars in the universe? 3. Where is our Sun located in the galaxy? FILL THIS OUT! P. 60 in your notebook!!!

Your notebook check • TOMORROW I will be checking the following pages for COMPLETION and Accuracy (if it is right or wrong) • p. 60 (unit organizer) • p. 65 (light years questions) • p. 66 Warm up (12/6/2010) • p 67 Life cycle of a star foldable • p 68 H-R diagram quick write • p 70 Exit questions for life cycle of a high mass star • p 71 Life cycle of a high mass star foldable

Notebook Check • Behind? Missing assignments? I will be here after school today until 5 pm • This notebook check is 7 grades! (this is a chance to receive seven 100’s or seven 0’s, I suggest you get your notebook in order! • This will make or break you