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q showQuestions-22.php - PS100 Questions from Chapter 34...

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Comprehension matching The sky appears dark at night. A small group of about two dozen galaxies that is associated with our Milky Way. A group of galaies that is gravitationally bound together. Star system with an elliptical shape. A constant introduced by Einstein into his equations in an attempt to cancel the predictions of an expanding Universe. An observed relation between the recessional velocity of a galaxy and the distance to that galaxy. Elliptical galaxy that contains over a trillion stars and has a mass much greater than the Milky Way. The galaxy of over a hundred billion solar masses to which our Sun belongs. A simple relation where the actual brightness of stars can be determined by observing the pulsation period of a star. A galaxy flattened into a disk shape with a pattern of spiral arms wound about a central nucleus. Part of the Hubble Law that gives the rate at which our Universe is expanding. A non-symmetric galaxy that does not have a well-defined shape. A cosmological model that indicates that our Universe had a hot beginning when first created. A group consisting of clusters of clusters of galaxies.
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This note was uploaded on 04/07/2011 for the course PHYSICAL S 100 taught by Professor Allred during the Spring '10 term at BYU.

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q showQuestions-22.php - PS100 Questions from Chapter 34...

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