Test Bank for Cosmic Perspective, The, 9th Edition

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1The Cosmic Perspective, 9e(Bennett et al.)Chapter 1 A Modern View of the UniverseSection 1.11) About where is our solar system located within the Milky Way Galaxy?A) at the center of the galaxyB)about 10 percent of the way from the center of thegalaxy to the edge of the galactic diskC) about halfway from the center of the galaxy to the edge of the galactic diskD) near the far edge of the galactic diskE) in the halo of the galaxy above the galactic diskAnswer: C2) When we speak of the entire universe (as opposed to theobservableuniverse), we meanA) all the stars and galaxies that we can see with telescopes.B) all material located within about 14 billion light-years of Earth.C) the sum total of all matter and energy.D) all the matter ingalaxies, but not the spaces between the galaxies.Answer: C3) Which of the following is the smallest distance?A) diameter of a typical planetB) 1 light-secondC) 1 AUD) diameter of a typical starAnswer: A4) Which of the following is the largestdistance?A) diameter of a typical galaxyB) diameter of Pluto's orbitC) distance to the nearest star (other than our Sun)D) 1 light-yearAnswer: A5)Which of the following statements doesnotuse the termlight-yearin an appropriate way?A) It's about 4 light-years from here to Alpha Centauri.B) It will take me light-years to complete this homework assignment.C) A light-year is about 10 trillion kilometers.D) It will take the Voyager spacecraft about 20,000 years to travel just 1 light-year.E) The Milky Way Galaxy is about 100,000 light-years in diameter.Answer: B

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