Chapter 3 quiz_ ASTRON 001 _ Elementary Astronomy - Kiley D
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School
Los Angeles City College *
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Course
001
Subject
Astronomy
Date
Dec 6, 2023
Type
Pages
5
Uploaded by bobbygomez30
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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