1) The sun is a _____ at the center of the solar system. a) star b) gravity c) moon 2) A black hole is ___. a) A small hole that is only a couple meters long. b) An area very crowded with matter. c) A really big hole. 3) Which planets move the fastest? a) The stars move the fastest. b) Earth and Saturn move the fastest. c) The planets nearest the sun move the fastest. 4) True or False: Mercury is the closest planet to the sun. a) True b) False 5) True or False: Earth is the only planet known to have life. a) True b) False 6) An asteroid is____. a) Anything that occupies space and has mass. b) A small body of rock that orbits the sun. c) The sixth planet from the sun. 7) What does an astronomer study? a) How cars move b) Objects in space c) Animals 8) The Milky Way is ___. a) The spiral galaxy in which our solar system exists b) A huge rock c) The largest planet 9) Meteors are also called ___. a) Shooting craters b) Shooting stars c) Shooting moons 10) The first animal to be sent into space was a ___. a) Dog named Laika b) Cat named Rover c) Mouse named Lucy 11) True or False: Pluto is tiny. a) True b) False 12) True or False: Uranus was the first planet discovered with a telescope. a) True b) False 13) True or False: Neil Armstrong was the first human to step on the moon. a) True b) False 14) How many seasons are there? a) 2 b) 3 c) 4 15) How many moons orbit the earth? a) 1 b) 2 c) 3

Astronomy Comprehension

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