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Past Exam for PHYS 112 - Astronomy and the Universe with Espinoza at Illinois - Chicago (UIC)

Exam Information

Material Type:Exam 1
Professor:Espinoza
Class:PHYS 112 - Astronomy and the Universe
Subject:Physics
University:University of Illinois - Chicago
Term:--
Keywords:
  • Spectral Line
  • Local Group
  • The Local Group
  • Ultraviolet
  • Behind (of)
  • Hypothetical
  • Transitions
  • Controversial
  • Energy Levels
  • Eratosthenes
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Sample Document Text

1) Earth is made mostly of metals and rocks. Where did this material come from? a) It was produced in the Big Bang. b) It was made by nuclear fission of uranium and other radioactive materials. It was produced by nuclear fusion in stars. d) It was made by our Sun. e) It was created by chemical reactions in inter- stellar space. 2) Suppose we look at a photograph of many galax- ies. Assuming that all galaxies formed at about the same time, which galaxy in the picture is the youngest? a) the one that is bluest in color the one that is farthest away c) the one that appears smallest in size d) the one that is reddest in color e) the one that is closest to us 3) From the fact that virtually every galaxy is moving away from us and more distant galaxies are moving away from us at a faster rate than closer ones, we conclude that a) we are located at the center of the universe. b) the farthest galaxies will eventually be moving faster than the speed of light. c) the Mil...

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