Chapter 14 Basic Skills

Chapter 14 Basic Skills - Chapter 14 Basic Skills/...

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Chapter 14 Basic Skills/ Definitions Quiz A: How does the diameter of the disk of Milky Way Galaxy compare to its thickness? The diameter is about 100 times greater than the thickness B: What do we call the bright, sphere shaped- region of stars that occupies the central few thousand light- years of the Milky Way Galaxy: The galaxy’s bulge C: The Sun’s location in the Milky Way Galaxy is: In the galactic disk, roughly halfway between the center and the outer edge of the disk ** The Sun lies about 28,000 light-years from the center of the galaxy, which is just over half the roughly 50,000 light-year radius of the disk. D: How do disk stars orbit the Galaxy: Disk stars orbit the Galaxy, all staying in the same thick plane-shaped region in space. E: What do we mean by the interstellar medium? Interstellar medium is gas and dust that lies between stars in the Milky Way Galaxy. F: What are the Magellanic Clouds? Two small galaxies that probably orbit the Milky Way Galaxy.
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This note was uploaded on 04/03/2008 for the course ISP 205 taught by Professor Donahue during the Fall '08 term at Michigan State University.

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Chapter 14 Basic Skills - Chapter 14 Basic Skills/...

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