The Cosmic Perspective
The Cosmic Perspective
7th Edition
ISBN: 9780321839558
Author: Jeffrey O. Bennett, Megan O. Donahue, Nicholas Schneider, Mark Voit
Publisher: Addison-Wesley
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Chapter 17, Problem 39EAP

Part a

To determine

To evaluate: The following prediction.

Type O stars have shorter lives than type G stars.

Part b

To determine

To evaluate: The following prediction.

Type K supergiant stars produce iron before they explode as supernovae.

Part c

To determine

To evaluate: The following prediction:

Type F stars become much more luminous near the ends of their lives than they were as main-sequence stars.

Part d

To determine

To evaluate: The following prediction:

Type O stars do not become more luminous near the ends of their lives but do become redder.

Part e

To determine

To evaluate: The following prediction:

Type M stars should have longer lives than type K stars.

Part f

To determine

To evaluate: The following prediction:

Stars similar to Sun reach a maximum size of about 100 solar radii during the red giant stage.

Part g

To determine

To evaluate: The following prediction:

Type K main sequence stars will become red giants when their cores run out of hydrogen.

Part h

To determine

To evaluate: The following prediction:

Some stars become white dwarfs at the ends of their lives.

Part i

To determine

To evaluate: The following prediction:

White dwarfs cool with time but do not change much in radius.

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Chapter 17 Solutions

The Cosmic Perspective

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