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Horizons: Exploring the Universe (...

14th Edition
Michael A. Seeds + 1 other
Publisher: Cengage Learning
ISBN: 9781305960961

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BuyFindarrow_forward

Horizons: Exploring the Universe (...

14th Edition
Michael A. Seeds + 1 other
Publisher: Cengage Learning
ISBN: 9781305960961
Chapter 9, Problem 1P
Textbook Problem
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Extinction dims starlight by about 1 magnitude per 1000 Pc. What fraction of photons survives a trip of 1000 pc? (Hint: Consider the definition of the magnitude scale in Reasoning with Numbers 2-1.)

To determine

What fraction of photons survive a trip of 1000 pc?

Explanation of Solution

Given:

Magnitude difference, mamb=1

Distance, d=1000pc

Formula used:

The flux ratio is given as

FAFB=(2.51)(mBmA)

Calculation:

The flux ratio is given as

FAFB=(2

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Chapter 9 Solutions

Horizons: Exploring the Universe (MindTap Course List)
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