Slide 1 The Milky Way: How do we know what it looks like? Bryan Hill Slide 2 What is this? Slide 3 What does our galaxy look like? Slide 4 Slide 5 Slide 6 Edge-On View of…
Chapter 16 Dark Matter, Dark Energy, and the Fate of the Universe What do we mean by dark matter and dark energy? Dark matter: An undetected form of mass that emits little…