Conceptual Physics (12th Edition)

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

Chapter 30 - Think and Explain - Page 579-581: 43


See below.

Work Step by Step

The stars are incandescent sources. As discussed on pages 567-568, this is a form of thermal radiation. Both the apparent color and the peak radiation frequency depend on the star's temperature. The light emitted from a gas discharge tube does not depend on the gas's temperature, but on the energy states in the gas. This is discussed on page 569.
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