Conceptual Physics (12th Edition)

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

Chapter 26 - Think and Discuss: 86

Answer

A lunar eclipse occurs when the Earth, sun, and moon are in a straight line, with the Earth between the other two. Just prior to that, observers on Earth see a full moon. This is shown in Figures 26.14a and 26.14b. At the time of a crescent or half-moon, the Earth, moon, and sun are not aligned and no eclipses are possible.

Work Step by Step

This is discussed on page 495.
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