Conceptual Physics (12th Edition)

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

Chapter 26 - Think and Do: 31

Answer

This is a hands-on demonstration. Try it and see!

Work Step by Step

This experiment shows that the moon is always the same size (i.e., takes up the same angular width), whether it is high in the sky or near the horizon. You might think that it is bigger when it is low in the sky, where you can more easily compare it to the size of objects on Earth, but that is just your mind playing tricks on you.
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