Horizons: Exploring the Universe (MindTap Course List)
Horizons: Exploring the Universe (MindTap Course List)
14th Edition
ISBN: 9781305960961
Author: Michael A. Seeds, Dana Backman
Publisher: Cengage Learning
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Chapter 5, Problem 6P
To determine

If telescope were only about 2 cm in diameter , can it resolve two stars 1.5 arc second apart

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Most of Galileo's telescopes were only about 2 cm in diameter. Should he have been able to resolve two stars 4.2 seconda of arc apart?
For a Cassegrain Telescope;
If a telescope is 10 times bigger in diameter it will gather _________ times more light than a smaller telescope
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  • Telescopes do more than just magnify images. In fact, if all they did was magnify images Galileo would have never seen the moons of Jupiter. What other important thing does the telescope do? a)The telescope is better at tracking movement than the naked eye is. b)The telescope is able to take disorderly rays and collimate them. c)The telescope is able to discern more colors than the naked eye can. d)The telescope is able to gather more light than the naked eye can.   Kepler's design allowed him to achieve better image quality and higher magnifications than Galileo's. However, his design has a significant drawback. What is it? a) Kepler's telescope has rays intersecting each other, which creates the possibility that they will interfere with each other. b) Kepler's telescope is less able to collimate chaotic incoming light. c) Kepler's telescope collects less light. d) Kepler's image is inverted, while Galileo's is upright.
    You are using a telescope is to resolve two distant stars as well as possible. Which of the following modifications will increase the resolution of the telescope?   Question 8 options:   Use a filter to filter out all but the red light.   Use a filter to filter out all but the blue light.   Use a lens of smaller diameter   Use a lens of larger diameter   None of these modifications will impact the resolution of the telescope.
    Indicatewhether the following statements are characteristics of refracting (A) telescopes, or reflecting (E) telescopes. (Select ARefracting, E-Reflecting. If the first is A and the rest E, enterAEEEE).A) Incoming light passes through glass.B) Most commonly used by professional astronomers today.C) The Hubble Space Telescope.D) Galileo’s telescopes.E) World’s largest telescopes.F) The world’s largest is 1-meter in diameter
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