Light and Information About the Universe_ Tutorial
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School
Arizona State University *
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Course
46676
Subject
Astronomy
Date
Apr 3, 2024
Type
Pages
4
Uploaded by LieutenantEnergy13723
2/26/24, 12:00 PM
Lesson Activity: Describing How a Telescope Works
https://f1.app.edmentum.com/courseware-delivery/ua/636861/45335068/aHR0cHM6Ly9mMS5hcHAuZWRtZW50dW0uY29tL2x0aS92Mi9sZWFybmV…
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Lesson Activity
Describing How a Telescope Works
This activity will help you meet this educational goal:
You will develop a detailed explanation of a process using well-chosen examples.
Directions
Read the instructions for this self-checked activity. Type in your response to each question,
and check your answers. At the end of the activity, write a brief evaluation of your work.
Activity
In this activity, you’ll explain how a telescope helps us see bright objects in the night sky. Use
this image to help you answer the questions that follow.
2/26/24, 12:00 PM
Lesson Activity: Describing How a Telescope Works
https://f1.app.edmentum.com/courseware-delivery/ua/636861/45335068/aHR0cHM6Ly9mMS5hcHAuZWRtZW50dW0uY29tL2x0aS92Mi9sZWFybmV…
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Part A
The image shows a person looking at the Moon through a telescope. Describe how light
travels from the sky to the viewer’s eye.
Answer:
The light from the sky travels to a big mirror in the telescope and that light relects onto a smaller mirror.
The smaller mirror reflects the light to the lens which the viewers eye looks through.
Space used (includes formatting): 203 / 15000
Show Sample Answer
Part B
The light rays come close together as they travel from the large mirror to the small mirror.
How do you think this affects the size and clarity of the image the viewer sees?
Answer:
When the light rays come closer, the image the viewer sees becomes smaller then seen with the naked eye.
2/26/24, 12:00 PM
Lesson Activity: Describing How a Telescope Works
https://f1.app.edmentum.com/courseware-delivery/ua/636861/45335068/aHR0cHM6Ly9mMS5hcHAuZWRtZW50dW0uY29tL2x0aS92Mi9sZWFybmV…
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Space used (includes formatting): 111 / 15000
Show Sample Answer
Part C
How does the eyepiece change the image for the viewer?
Answer:
The eyepiece has lens that increases the images size because of the large mirror.
Space used (includes formatting): 88 / 15000
Show Sample Answer
Part D
The eyepiece has a curved piece of glass that bends light rays toward the center. What is the
bending of light called?
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2/26/24, 12:00 PM
Lesson Activity: Describing How a Telescope Works
https://f1.app.edmentum.com/courseware-delivery/ua/636861/45335068/aHR0cHM6Ly9mMS5hcHAuZWRtZW50dW0uY29tL2x0aS92Mi9sZWFybmV…
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Answer:
It is called refraction.
Space used (includes formatting): 31 / 15000
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Self-Evaluation
How did you do? Rate your work on a scale of 1 to 5, with 5 as the highest score. Then write a
brief evaluation of your work below. Note what you learned and what challenged you.
Answer:
I rate my work 4/5. I learned about Light and Information About the Universe. What challenged me was
answering the questions.
Space used (includes formatting): 132 / 15000