B. the universe
The universe2
Lecture Outline Chapter 16: A Universe of Galaxies © 2015 Pearson Education, Inc.
Galaxies and the Foundation of Modern Cosmology. what are the three major types of galaxies? How are galaxies grouped together?
Discovering the Universe Ninth Edition
Chapter 16 The Milky Way Galaxy 16.1 Overview n How many stars are in the Milky Way? – About 200 billion n How many galaxies are there? – billions.
Chapter 15 A Universe of Galaxies The Hubble Deep Field 10 day exposure –field located in the Big Dipper.
Information about Midterm #2 Grades are posted on course website Average = 122/180, s.d. = 29 (Section 1) 126/180, s.d. = 24 (Section 4) Highest 180/180.
Galaxies and the Foundation of Modern Cosmology. Islands of Stars Our goals for learning: How are the lives of galaxies connected with the history of.
El universo: Edad: 13.7 millardos de años (1 % de error) Expansión: 71 km/sec/Mpc actualmente (5 % de error) 73% = Energía oscura 23% = materia oscura.
Unit 1: The Big Picture. What is Astronomy? The study of stars & anything outside Earth –Not astrology…no horoscope reading here! Today we will go over.
