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Book

Quasars and black holes.

Call Number

  • J 523.8875 QUAS (CEN)

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Edition

Revised edition.

Publication Information

Chicago, Illinois : World Book, 2017.

Physical Description

64 pages : illustrations (chiefly color), color maps ; 27 cm.

Summary

"An introduction to quasars and black holes with information about their formation and characteristics. Includes diagrams, fun facts, a glossary, a resource list, and an index"--Provided by publisher.

Contents

  • What are black holes?
  • Focus on: how a black hole forms
  • How do we know black holes exist?
  • Focus on: telescopic evidence of black holes
  • What is a singularity?
  • What is an event horizon?
  • What happens outside the event horizon?
  • What happens to matter once it enters a black hole?
  • How big are black holes?
  • Focus on: powerhouse galaxies
  • What is a supermassive black hole?
  • Are there different types of black holes?
  • Do black holes ever exist in pairs?
  • Could the sun ever become a black hole?
  • Focus on: redshift
  • What are quasars?
  • How are quasars and black holes related?
  • How far away are quasars?
  • How big are quasars?
  • How are quasars born?
  • When and how were quasars first discovered?
  • Why do scientists study quasars?
  • Why is Stephen Hawking important to the study of black holes?
  • How long does a black hole exist?
  • What would happen to a person pulled into a black hole?
  • Why do scientists continue to study black holes?
  • What is a micro black hole?

Subjects