21st Century Astronomy (fifth Edition)
5th Edition
ISBN: 9780393603330
Author: Laura Kay, Stacy Palen, George Blumenthal
Publisher: W. W. Norton & Company
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Chapter 19.1, Problem 19.1CYU
To determine
Among the given options galaxies are classified based on
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What happens when galaxies collide?
A. Star collisions will be rare but the shapes of the galaxies will be largely distorted.
B. The shapes of the galaxies will be largely distorted and many of the stars of one galaxy will collide with stars of the other galaxy.
C. The shapes of the galaxies will be distorted and many stars will collide with stars of the other galaxy, as well as with other stars in the same galaxy.
D. Star collisions will be rare and the two galaxies will just pass through each other without any changes.
Is the answer A? Thank you!
Of the following groupings of galaxies, the one that is largest in size is the
a.
Local Supercluster.
b.
Local Group.
c.
filaments and voids.
d.
Coma Cluster.
Quasi-stellar objects were first detected as
a.
double-lobed spiral galaxies.
b.
faint points of light with peculiar emission spectra.
c.
large regions of X-ray emissions.
d.
starlike objects with normal stellar emission spectra.
e.
galaxies with normal stellar emission spectra.
Chapter 19 Solutions
21st Century Astronomy (fifth Edition)
Ch. 19.1 - Prob. 19.1CYUCh. 19.1 - Prob. 19.2CYUCh. 19.2 - Prob. 19.3CYUCh. 19.3 - Prob. 19.4CYUCh. 19.4 - Prob. 19.5CYUCh. 19 - Prob. 1QPCh. 19 - Prob. 2QPCh. 19 - Prob. 3QPCh. 19 - Prob. 4QPCh. 19 - Prob. 5QP
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