Slide 1Our Place in the Cosmos Lecture 9 The Solar System Slide 2 Definition The Solar System comprises the Sun and all objects gravitationally bound to it It includes the…

Slide 1Essential Question  How do astronomers use the electromagnetic spectrum to study the universe? Slide 2  Electromagnetic Spectrum The range of radiant (light)…

1.Chapter 12 Lesson 1 p414-420 THE VIEW FROM EARTH 2. Vocabulary  Spectroscope – an instrument that spreads light into different wavelengths  Astronomical Unit –…

1.EXPEDITION ONUNIVERSE2. GALAXIES 3. A Galaxy Blazes With Star Formation 4. INTRODUCTION Galaxy ,a vast ensemble of hundreds or thousands of millions of stars, all gravitationally…

1.The View from EarthThe View from Earth Chapter 12 Lesson 1 p414-420Chapter 12 Lesson 1 p414-420 2. VocabularyVocabulary • Spectroscope (417) – an instrument that spreadsSpectroscope…

1.Study and Comparison of H-R Diagrams of Open Clusters 2. What is a star cluster/star clouds? • A group of stars • Can be distinguished into two types: -Globular Cluster…

1. Chapter 6 The Solar System 2. 6.1 An Inventory of the Solar System 6.2 Measuring the Planets 6.3 The Overall Layout of the Solar System Computing Planetary Properties…

1. The Big Bang Galaxies are moving away fromeach other.However,there is no ”center” to the expansion.Observers in each galaxy could consider themselves tobe at the center.This…

1. NEBULA Anebulais aninterstellar cloudofdust ,hydrogengas andplasma . It is the first stage of astar 's cycle. 2. BOOMERANG NEBULA Originallynebulawas a general name…

Slide 1 ASTR100 (Spring 2008) Introduction to Astronomy The Milky Way Prof. D.C. Richardson Sections 0101-0106 Slide 2 What does our galaxy look like? Slide 3 The Milky Way…