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p. 551, # 2 - 7

p. 551, # 2 - 7. p. 551, # 2 - 7. Which of the following is a possible age of the universe, according to the big bang theory? a. 4.6 million years c. 4.6 billion years b. 15 million years d. 15 billion years 3. A pattern of stars as seen from Earth is called a ___________.

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p. 551, # 2 - 7

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  1. p. 551, # 2 - 7

  2. p. 551, # 2 - 7 • Which of the following is a possible age of the universe, according to the big bang theory? a. 4.6 million years c. 4.6 billion years b. 15 million years d. 15 billion years 3. A pattern of stars as seen from Earth is called a ___________. a. galaxy c. Milky Way b. nebula d. constellation • By studying starlight, astronomers may learn which of the following things about stars? a. the elements that compose the star b. the surface temperature of the star c. the speed of the star relative to Earth d. all of the above

  3. p. 551, # 2 - 7 • The core of a star that remains after a supernova may be any of the following except ___________. a. a black hole c. a red giant b. a neutron star d. a pulsar • The shape of the orbit of the Earth is _____________. a. a circle c. an arc b. an ellipse d. a sphere 7. The only outer planet that is not a gas giant is ____________. a. Jupiter c. Neptune b. Saturn d. Pluto

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