(a) The distance to a star is approximately 4.97 x 10¹8 m. this star were to burn out today, in how many years would we see it disappear? years (b) How long does it take sunlight to reach Earth? minutes (c) How long does it take for a microwave radar signal to travel from Earth to the Moon and back? (The distance from Earth to the Moon is 3.84 x 105 km.)

(a) The distance to a star is approximately 4.97 x 10¹8 m. this star were to burn out today, in how many years would we see it disappear? years (b) How long does it take sunlight to reach Earth? minutes (c) How long does it take for a microwave radar signal to travel from Earth to the Moon and back? (The distance from Earth to the Moon is 3.84 x 105 km.)

Stars and Galaxies (MindTap Course List)

10th Edition

ISBN:9781337399944

Author:Michael A. Seeds

Publisher:Michael A. Seeds

Chapter19: Astrobiology: Life On Other Worlds

Section: Chapter Questions

Problem 9P

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The distance to a star is approximately 4.43 ✕ 1018 m. If this star were to burn out today, in how many years would we see it disappear? (b) How long does it take sunlight to reach Earth? in minutes(c) How long does it take for a microwave radar signal to travel from Earth to the Moon and back? (The distance from Earth to the Moon is 3.84 ✕ 105 km.)in seconds
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