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Unformatted text preview: work for nearby objects? 73. Explain how an astronomer could experimentally search for extrasolar planets and possibly determine if they could support life. Also discuss any of the challenges involved in your method. 70. Describe the life cycle of a star. Please start before the star is ‘born’ and include, at a minimum, the relative size, source of fuel (if any) for each stage, and at least 2 ways a star can ‘die’. (10 pt) 71. Pick out the E6 galaxy from those in the sketch below. (1 pt) a b c d e f g h i j k 82. Pick out the SBb galaxy (1 pt) a b c d e f g h i j k A B C D E F G H I J K...
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- Fall '08
- Astronomy, Planet, Extrasolar planet