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Unformatted text preview: galaxy? Globular clusters Planetary nebulae Supernova remnants Giant molecular clouds Open clusters 6. The Infrared Galaxy Unmasked o Not available in Shapleys time o We now have them and you can see through a lot of dust o Get a much clearer picture of the galaxy o See the true shape of the galaxy, not just the nearby stars 7. The populations of the Milky Way o Can help you figure out what part of the galaxy formed first 8. How does a spiral galaxy form? o Sort these components into order beginning with the first to form, and ending with the most recent Galactic disk Halo Bulge CORRECT ORDER>>>>>>> Halo, bulge, galactic disk 9. Mapping the galaxy in the radio o Any time you have an electron in the ground state of hydrogen, (the natural state) you expect to see the "spin- flip" action o Closer to the sun- moves slower, and vice versa...
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This note was uploaded on 03/30/2012 for the course ASTR 1102 taught by Professor Staff during the Spring '08 term at LSU.
- Spring '08