Concept explainers
The dimension(length or tube diameter) someone is referring to in the statement that a person is using 8-in telescope.

Answer to Problem 1CC
Solution:
The person refers to the diameter of the tube, if he is using an 8-in telescope.
Explanation of Solution
Introduction:
A telescope is an optical instrument, which is useful for seeing the large and distantly objects. It was discovered by Galileo Galilei in 1906 and magnifies objects 20 times more than earlier. There are mainly two types of telescopes: reflective and refractive.
Explanation:
The person is referring to the tube diameter he or she says that they are using 8-in telescope because the tube diameter is the characteristics that define the amount of light that can be captured by the telescope. Larger the diameter of the telescope, more the light is captured by the lens and images appear brighter. This helps astronomers to view clear and large objects.
Conclusion:
The telescope is very useful for the studying different planets, and it is very easy to see the moon brighter and with greater magnification.
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Chapter 6 Solutions
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