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hw5 - Homework Assignment 5 PHYS 206 The Milky Way Inside...

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Homework Assignment 5. PHYS 206: The Milky Way Inside and Out Due Wed April 9 2008 In Class or at ERP 222 by 5pm. In the following multiple choice items, there may be one or more correct answers. 1. Elliptical Galaxies: (a) contain active star formation (b) contain no active star formation (c) contain lots of gas (d) contain no gas (e) contain massive stars ( > 10M ) (f) have only low mass stars (g) have a bulge and a disk (h) have only a disk (i) have only a bulge (j) are the most massive type of galaxy (k) are the least massive type of galaxy 2. Spiral Galaxies: (a) contain active star formation (b) contain no active star formation (c) contain lots of gas (d) contain no gas (e) contain massive stars ( > 10M ) (f) have only low mass stars (g) have a bulge and a disk (h) have only a disk (i) have only a bulge (j) are the most massive type of galaxy (k) are the least massive type of galaxy 3. Irregular Galaxies: (a) contain active star formation (b) contain no active star formation (c) contain lots of gas (d) contain no gas (e) contain massive stars ( > 10M )
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