Loose Leaf For Explorations: Introduction To Astronomy
9th Edition
ISBN: 9781260432145
Author: Thomas T Arny, Stephen E Schneider Professor
Publisher: McGraw-Hill Education
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Chapter 16, Problem 19QFR
To determine
The model for the origin of the Milky Way; Difference between Pop I and Pop II stars from the model.
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Imagine that you have achieved immortality and you used it to travel outside of the Milky Way (you will be leaving today and you will be traveling with the speed of 1/10th of the speed of light). Describe how the Milky Way would look from the outside if you could watch it for the next 100 billion years.
Chapter 16 Solutions
Loose Leaf For Explorations: Introduction To Astronomy
Ch. 16 - Prob. 1QFRCh. 16 - How do we know our Galaxy is a flat disk?Ch. 16 - Prob. 3QFRCh. 16 - Prob. 4QFRCh. 16 - Prob. 5QFRCh. 16 - Prob. 6QFRCh. 16 - Prob. 7QFRCh. 16 - Prob. 8QFRCh. 16 - Prob. 9QFRCh. 16 - Prob. 10QFR
Ch. 16 - Prob. 11QFRCh. 16 - Prob. 12QFRCh. 16 - Prob. 13QFRCh. 16 - Prob. 14QFRCh. 16 - Prob. 15QFRCh. 16 - Prob. 16QFRCh. 16 - Prob. 17QFRCh. 16 - Prob. 18QFRCh. 16 - Prob. 19QFRCh. 16 - Prob. 20QFRCh. 16 - Prob. 21QFRCh. 16 - Prob. 1TQCh. 16 - Prob. 2TQCh. 16 - Prob. 3TQCh. 16 - Prob. 4TQCh. 16 - Prob. 5TQCh. 16 - Prob. 7TQCh. 16 - Prob. 8TQCh. 16 - Prob. 9TQCh. 16 - Prob. 10TQCh. 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. 1TYCh. 16 - Prob. 2TYCh. 16 - Prob. 3TYCh. 16 - Prob. 4TYCh. 16 - Prob. 5TYCh. 16 - Prob. 6TYCh. 16 - Prob. 7TYCh. 16 - Prob. 8TYCh. 16 - Prob. 9TYCh. 16 - Prob. 10TY
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- Briefly describe the main parts of our Galaxy.arrow_forwardSuppose the Milky Way was a band of light extending only halfway around the sky (that is, in a semicircle). What, then, would you conclude about the Sun’s location in the Galaxy? Give your reasoning.arrow_forwardSuppose a galaxy formed stars for a few million years and then stopped (and no other galaxy merged or collided with it). What would be the most massive stars on the main sequence after 500 million years? After 10 billion years? How would the color of the galaxy change over this time span? (Refer to Evolution from the Main Sequence to Red Giants.)arrow_forward
- Suppose the stars in an elliptical galaxy all formed within a few million years shortly after the universe began. Suppose these stars have a range of masses, just as the stars in our own galaxy do. How would the color of the elliptical change over the next several billion years? How would its luminosity change? Why?arrow_forwardIf the diameter of the Milky Way Galaxys visible disk, 80,000 ly, is represented in a model by a dinner plate with a diameter of 10 inches, what is the model distance to galaxy M31, 2.6 millionly away? What is the model distance to the Virgo galaxy cluster, 16 Mpc away? (Convert answers to feet.)arrow_forwardDescribe the evolution of an elliptical galaxy. How does the evolution of a spiral galaxy differ from that of an elliptical?arrow_forward
- Using the information provided in Table 18.1, what is the average stellar density in our part of the Galaxy? Use only the true stars (types OM) and assume a spherical distribution with radius of 26 light-years. Stars within 21 Light-Years of the Sunarrow_forwardStars form in the Milky Way at a rate of about 1 solar mass per year. At this rate, how long would it take for all the interstellar gas in the Milky Way to be turned into stars if there were no fresh gas coming in from outside? How does this compare to the estimated age of the universe, 14 billion years? What do you conclude from this?arrow_forwardExplain where in a spiral galaxy you would expect to find globular clusters, molecular clouds, and atomic hydrogen.arrow_forward
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