Astronomy Chapter 1 Test Answers Latest Updated 2023 Rated A+

The farthest bright galaxies that modern telescopes are capable of seeing are up to A) 1 million light years away. B) 10 million light years away. C) 1 trillion light years away. D) 1 billion light years away. E) 10 billion light years away. E Suppose we imagine the Sun to be about the size of a grapefruit. How big an area would the orbits of the eight planets of the Solar System cover? A) the size of a small city B) the size of a western state (e.g., Colorado) C) the size of a typical dorm room D) the size of a typical campus building E) the size of a typical campus E Earth is made mostly of metals and rocks. Where did this material come from? A) It was made by nuclear fission of uranium and other radioactive materials. B) It was created by chemical reactions in interstellar space. C) It was produced in the Big Bang. D) It was produced by nuclear fusion in stars. E) It was made by our Sun. D What is nuclear fusion? A) the process of splitting nuclei to produce energy B) the process of turning matter into pure energy C) an explosion caused by putting together two volatile chemicals D) a process that only occurs in bombs E) the process of combining lightweight nuclei to make heavier nuclei E