Chapter 3 quiz_ ASTRON 001 _ Elementary Astronomy - Kiley D

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Los Angeles City College *

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001

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Astronomy

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Dec 6, 2023

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11/2/23, 11:11 AM Chapter 3 quiz: ASTRON 001 : Elementary Astronomy - Kiley D. - FALL 2023 - SECTION# 14762 https://ilearn.laccd.edu/courses/242104/quizzes/1840545 1/5 Chapter 3 quiz Due Dec 16 at 11:59pm Points 10 Questions 10 Available Aug 28 at 8am - Dec 18 at 11:59pm Time Limit None Allowed Attempts 2 Instructions Score for this attempt: 10 out of 10 Submitted Sep 13 at 11:29am This attempt took 4 minutes. This is the Chapter 3 quiz. You have two attempts to answer these questions, and your highest score will be recorded! 1 / 1 pts Question 1 A telescope with an 8-inch mirror will collect twice as much light as one with a 4-inch mirror. True False Correct! Correct! 1 / 1 pts Question 2 Stars do not twinkle; the instability of the atmosphere causes this effect.
11/2/23, 11:11 AM Chapter 3 quiz: ASTRON 001 : Elementary Astronomy - Kiley D. - FALL 2023 - SECTION# 14762 https://ilearn.laccd.edu/courses/242104/quizzes/1840545 2/5 True Correct! Correct! False 1 / 1 pts Question 3 What is the main reason that ultraviolet astronomy must be done in space? To collect more visible light without loss. To provide a stable platform for imaging. Because it's very dark in orbit. To prevent competing countries from reaching them. Earth's atmosphere absorbs most ultraviolet wavelengths. Correct! Correct! 1 / 1 pts Question 4 X-Ray telescopes employ the same basic design that optical telescopes use. True False Correct! Correct! 1 / 1 pts Question 5 Because gamma rays have very short wavelengths, gamma ray telescopes can achieve extremely high angular precision.
11/2/23, 11:11 AM Chapter 3 quiz: ASTRON 001 : Elementary Astronomy - Kiley D. - FALL 2023 - SECTION# 14762 https://ilearn.laccd.edu/courses/242104/quizzes/1840545 3/5 True False Correct! Correct! 1 / 1 pts Question 6 The best way to study young stars hidden behind interstellar dust clouds would be to use infrared light. Correct! Correct! ultraviolet light. blue light. X-rays. gamma rays. 1 / 1 pts Question 7 If you were trying to detect very cold molecular dust clouds out in space, you should probably use which kind of telescope? Ultraviolet. Visible. Radio. Correct! Correct! Gamma ray. X-ray.
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