UNIVERSE LL W/SAPLINGPLUS MULTI SEMESTER
UNIVERSE LL W/SAPLINGPLUS MULTI SEMESTER
11th Edition
ISBN: 9781319278670
Author: Freedman
Publisher: MAC HIGHER
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Chapter 23, Problem 41Q
To determine

The way in which the properties of an unusual elliptical galaxy NGC 5128, as seen in the visible and infrared wavelengths shown in the figure below, are the result of a merger of an elliptical galaxy and a spiral galaxy.

UNIVERSE LL W/SAPLINGPLUS MULTI SEMESTER, Chapter 23, Problem 41Q , additional homework tip 1

UNIVERSE LL W/SAPLINGPLUS MULTI SEMESTER, Chapter 23, Problem 41Q , additional homework tip 2

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Is the NGC 4440 galaxy observable from the Calar Alto Observatory?
If a galaxy is 18 Mpc from Earth and the Hubble constant is 70 km/s/Mpc, what is the recession velocity of the galaxy (in km/s)?   A galaxy is receding from Earth at a speed of 300 km/s and the Hubble constant is 70 km/s/Mpc. What is the distance to the galaxy (in Mpc)?
You observe a star orbiting in the outer parts of a galaxy. The distance to this galaxy is known, and you are able to take a spectra of this star and determine its velocity. The star is 22 kpc from the galaxy center and moving in a circular orbit with speed 304 km/s. Compute the total mass of the galaxy internal to the star's orbit. You will get a large number; express it in scientific notation and in units of solar masses [e.g., 4.2e10]. [Hint: there is a Box in Chapter 22 of your textbook that will be of help. See also the course formula sheet.]

Chapter 23 Solutions

UNIVERSE LL W/SAPLINGPLUS MULTI SEMESTER

Ch. 23 - Prob. 1CCCh. 23 - Prob. 2CCCh. 23 - Prob. 3CCCh. 23 - Prob. 4CCCh. 23 - Prob. 5CCCh. 23 - Prob. 6CCCh. 23 - Prob. 7CCCh. 23 - Prob. 8CCCh. 23 - Prob. 9CCCh. 23 - Prob. 10CC
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