Slide 1 Stars & Life Cycle of Stars Slide 2 Birth of Stars  1 st a huge cloud of nebula  2 nd as the density of the gas grows so does gravitational pull (more particles…

Slide 1 Deep Washington Photometry of the HST M31-halo field Edward Olszewski, Abi Saha, and Andy Dolphin Many thanks to: MMT staff, SAO Instrument builders, Steward technical…

Slide 1 The Milky Way Galaxy Astronomy 315 Professor Lee Carkner Lecture 16 Slide 2 Via Lactia   The band forms a complete ring  We seem to be in the center of a…

Slide 1 Class 20 : The Milky Way Our own galaxy, the Milky Way. The debate about other galaxies. Slide 2 The Milky Way Credit & Copyright Barney Magrath Slide 3 Credit:…

Slide 1 Formation of Galaxies Types of Galaxies Slide 2 Learning Goals Students will: 1) Learn to classify types of galaxies 2) Explain the formation of galaxies Slide 3…

Slide 1 Chapter 14 The Milky Way Galaxy Slide 2 Units of Chapter 14 Our Parent Galaxy Measuring the Milky Way Galactic Structure The Formation of the Milky Way Galactic Spiral…

Slide 1 The Milky Way Galaxy Slide 2 The Milky Way We see a band of faint light running around the entire sky. Galileo discovered it was composed of many stars. With unaided…

Slide 1 Galaxies Slide 2 Hubble’s Galaxy Classification American astronomer Edwin Hubble was the first to categorize galaxies in a comprehensive way. His observations were…

Galaxy Review Galaxy Review 1 Astronomers estimate that the universe contains 100 galaxies 100 million galaxies 100 billion galaxies 100 trillion galaxies 2 100 billion galaxies…

Introduction: The Night Sky Susan Cartwright Our Evolving Universe 1 The Milky Way From a dark site the Milky Way can be seen as a broad band across the sky What is it? telescopes…