Mindtap Astronomy, 1 Term (6 Months) Printed Access Card For Seeds/backman's Foundations Of Astronomy, 14th
14th Edition
ISBN: 9781337399975
Author: Michael A. Seeds, Dana Backman
Publisher: Cengage Learning
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Textbook Question
Chapter 16, Problem 1SOP
Arrange the following in order of increasing size: our Milky Way Galaxy; a globular star cluster; a pair of radio lobes around an active galaxy; a giant elliptical galaxy; the Solar System; the Local Group galaxy cluster
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A given star orbits the center of its galaxy at an average speed of v_star, at a distance of r_star from the center. The galaxy has 2 spiral arms, and the arms themselves orbit slower than the star -- at the same radius, they orbit at a speed of v_arm (in the same direction as the star). The galaxy's age is t_gal. In the history of this galaxy, how many times did this star cross through a spiral arm?
Values: v_star = 200 km/s, r_star = 9 kpc, v_arms = 46 km/s, t_gal = 4 Gyr
The Sun is located in
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the center of the Milky Way Galaxy
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the bulge of the Milky Way Galaxy
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the halo of the Milky Way Galaxy
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the disk of the Milky Way Galaxy
The type of galaxy that consists almost entirely of old stars and is thus less blue (more yellow and
reddish) than the other types is
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and our Milky Way Galaxy is a
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Chapter 16 Solutions
Mindtap Astronomy, 1 Term (6 Months) Printed Access Card For Seeds/backman's Foundations Of Astronomy, 14th
Ch. 16 - Prob. 1RQCh. 16 - Prob. 2RQCh. 16 - Prob. 3RQCh. 16 - Prob. 4RQCh. 16 - Prob. 5RQCh. 16 - Prob. 6RQCh. 16 - Prob. 7RQCh. 16 - Prob. 8RQCh. 16 - Prob. 9RQCh. 16 - Prob. 10RQ
Ch. 16 - Prob. 11RQCh. 16 - Prob. 12RQCh. 16 - How would you respond to someone who said, Oh,...Ch. 16 - Prob. 1PCh. 16 - Prob. 2PCh. 16 - Prob. 3PCh. 16 - Prob. 4PCh. 16 - Prob. 5PCh. 16 - Prob. 6PCh. 16 - Prob. 7PCh. 16 - Prob. 8PCh. 16 - Prob. 9PCh. 16 - Prob. 10PCh. 16 - Arrange the following in order of increasing size:...Ch. 16 - If the diameter of the Milky Way Galaxys visible...Ch. 16 - Prob. 1LTLCh. 16 - Prob. 2LTLCh. 16 - Prob. 3LTLCh. 16 - Prob. 4LTL
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- Could the Milky Way ever become an active galaxy? Is it likely to ever be as luminous as a quasar?arrow_forwardThe Virgo galaxy Cluster Much smaller than the Local Group. Contains 35 galaxies. Is part of the Centaurus Supercluster. Is held together by gravity.arrow_forwardWhat color is the center of this galaxy and why?arrow_forward
- A star at a distance of 50000 light years from the center of a galaxy has an orbital speed of 100 km/s around the galactic center. What is the total mass of the galaxy located at distances smaller than 50000 light years from the center? 7.6 x1010 solar masses O 4.2 ×1011 solar masses O 1.4 x1011 solar masses 3.5 x1010 solar massesarrow_forwardDescribe how you might use the color of a galaxy to determine something about what kinds of stars it contains.arrow_forwardWhy didnt astronomers before Shapley realize how large our Galaxy is?arrow_forward
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