ESSENTIAL COSMIC PERSPECTIVE BUNDLE
ESSENTIAL COSMIC PERSPECTIVE BUNDLE
8th Edition
ISBN: 9780137438013
Author: Bennett
Publisher: PEARSON
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Chapter 16, Problem 49EAP

Hubble’s Galaxy Types. How would you classify the following galaxies using the system illustrated in Figure 16.7? Justify your answers.

  1. Galaxy M101 (Figure 16.2)
  2. Galaxy NGC 4594 (Figure 16.3)
  3. Galaxy NGC 1300 (Figure 16.4)
  4. Galaxy M87 (Figure 16.5)

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The figure below shows the spectra of two galaxies A and B.  Please can i get help  with this questions below:  1. Which of these galaxies has ongoing star formation? How can you tell?2. One of these galaxies has Hubble type E3 while the other is SBb. Which is which? What does the 3 inE3 tell you about the galaxy? What does the SB in SBb tell you about the galaxy?3. What effects would dust have on the two spectra?4. Which galaxy would you expect to have more far-infrared emission? Expl
How astronomers determine the distance of a galaxy? Explain.
What are the characteristics of an E7 Galaxy? What about E0 galaxy? Explain.

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ESSENTIAL COSMIC PERSPECTIVE BUNDLE

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