Conceptual Physics (12th Edition)

Published by Addison-Wesley
ISBN 10: 0321909100
ISBN 13: 978-0-32190-910-7

Chapter 9 - Reading Check Questions (Comprehension) - Page 177: 29

Answer

A black hole is invisible because its gravitational field is so strong that light cannot escape.

Work Step by Step

This is discussed on page 174.
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