Presents a variety of facts about the universe. Concepts range from the Big Bang theory and how galaxies form to dark matter and aliens. Includes a timeline, a glossary, resources for further information, and color photographs.
Content Note
The universe -- Big bang -- Expanding universe -- Galaxies -- How galaxies form -- Milky Way -- Nearby galaxies -- Strange galaxies -- Dark matter -- Alien life -- Did you know? -- Your questions answered.