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Unformatted text preview: of the surrounding stars. c) If a rock were hypothetically thrown into a black hole, it would never reach the Event Horizon. Instead, it would appear suspended in space for the rest of eternity. 4. a) The Population I stars have heavier element abundances, a younger age, and are located on the outskirts of the galaxy. Population II stars, on the other hand, are older, lack heavier elements, and are located toward the center of the galaxy. b) Population I stars are considered to be the youngest stars in the galaxy. These stars are in the main-sequence phase of stellar evolution and are abundant with metals. On the other hand, Population II stars are the oldest stars in the galaxy. They, unlike Population I stars, lack the metallic elements. These observations imply that the galaxy was formed in the center, where the older Population II stars exist today....
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This note was uploaded on 04/24/2008 for the course ASTRO 1 taught by Professor Antonucci during the Spring '08 term at UCSB.
- Spring '08