Essential Cosmic Perspective
Essential Cosmic Perspective
9th Edition
ISBN: 9780135795033
Author: Bennett
Publisher: PEARSON
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Textbook Question
Chapter 1, Problem 37EAP

A Human Adventure. Astronomical discoveries clearly are impor-tant to science, but are they also important to our personal lives? Defend your opinion.

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Give me the right answer please and thank you, take your timeCalculate the amount of time it takes for light reflected off the surface of a distant planet to reach us.1. Sunlight takes about 8.3 minutes to travel from the Sun to Earth. What is the Sun-Earth distance in AU? (Give your answer rounded to the nearest AU).2.Light is reflected off the surface of a planet 5.2 AU away from us. How long does it take this light to reach us from the planet? Give your answer in minutes, rounded to exactly one decimal place.
What is an astronomical unit? In what context ( For example galaxies, solar systems and planets, places on Earth) do astronomers use this unit of distance?

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Essential Cosmic Perspective

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