Book
The universe-- mysteries and marvels.
Edition
Revised edition.
Publication Information
Chicago, Illinois : World Book, 2017.
Physical Description
64 pages : illustrations (chiefly color), color maps ; 27 cm.
Series
Summary
"An introduction to unusual objects and phenomena in the universe. Includes diagrams, fun facts, glossary, resource list, and index"--Provided by publisher.
Contents
- How big is the universe?
- Where is the solar system in the universe?
- What is the observable universe?
- How far into the universe can we see without a telescope?
- Why is it dark in space?
- How does light travel through the universe?
- Focus on: hungry cores
- Is space a total vacuum?
- What was the big bang?
- What existed before the big bang?
- What is the cosmic background radiation?
- Is the universe expanding?
- What is the universe expanding into?
- What are high-energy cosmic rays?
- Focus on: gamma-ray bursts: outshining the universe
- What is dark energy?
- Where did matter come from?
- What is dark matter?
- What do we know about black holes?
- What are micro black holes?
- Are there planets orbiting stars besides the sun?
- Is there life in other parts of the universe?
- Focus on: the universe's largest magnets
- Could the universe be made of strings?
- Could there be universes besides our own?
- What is time?
- Is time travel possible?