Quiz 1 Answer Key Astro 201 Fall 2010 Prof Bechtold 1 The is everything that exists a Milky Way b Virgo Supercluster c Universe d Earth e solar system 2 A light year is a unit of a energy b mass c time d sound e distance 3 Which of the following is the largest a The Local Group b The Virgo Cluster c The Milky Way d The Earth e The Solar System 4 In the Local Group the two largest galaxies are called a The Milky Way and Andromeda b Quaor and Pluto c Uranus and Neptune d The Large Magellanic Cloud and Small Magellanic Cloud e Virgo and Sagittarius 5 A is a collection of billions of stars gravitationally bound to each other a solar system b planet c trans neptunian object d comet e galaxy 6 Astronomers currently think that the Universe is a 13 7 billion years old b 13 7 million years old c 13 7 thousand years old d infinitely old e 13 7 light years o 7 An astronomical unit is a the mass of the Sun b the distance between the Earth and the Sun c the age of the Universe d the distance between the Sun and Andromeda e the distance between the Earth and the Moon 8 One of the first persons to give correct arguments that the Earth is spherical was a Aristotle b Galileo c Copernicus d Ptolemy e Aristarchus 9 Circumpolar stars are stars that a lie anywhere on the celestial sphere b were first discussed in the Rig Veda c d were drawn on caves by Cro Magnons in France appear the same whether you are in the Northern or Southern hemispheres e are always above the horizon 10 An early written cosmology which held that the Universe was cyclic in nature was called a the Trans neptunian object list b the Hindu Rig Veda c The Egyptian Nut d the Book of Genesis e the Celestial Messenger
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