Imagine the Universe!
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Table of Contents

Association with National Mathematics and Science Standards

Preface

Foreword - The Story of Andromeda

Introduction

I. The Visible Lives of Galaxies

  1. The Characteristics of Galaxies
  2. How Galaxies Get Their Names
  3. The Components of a Galaxy
  4. The Clustering of Galaxies

II. The Hidden Lives of Galaxies

  1. Hidden Objects
  2. Hidden Mass
  3. Possibilities for Dark Matter
  4. Formation of Galaxies

III. Classroom Activities

IV. Student Worksheets

V. Glossary

VI. About the Poster

VII. References and Other Resources


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Imagine the Universe is a service of the High Energy Astrophysics Science Archive Research Center (HEASARC), Dr. Alan Smale (Director), within the Astrophysics Science Division (ASD) at NASA's Goddard Space Flight Center.

The Imagine Team
Acting Project Leader: Dr. Barbara Mattson
All material on this site has been created and updated between 1997-2012.

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