Homework answers / question archive / George Brown College Canada GSCI 1009 Quiz 5 1)Which of the following best describes what we mean by the focal plane of a telescope?   Why are astronomers interested in building observatories capable of detecting neutrinos, cosmic rays, and gravitational waves? When your eye forms an image, the       plays a role analogous to the detector in a camera

George Brown College Canada GSCI 1009 Quiz 5 1)Which of the following best describes what we mean by the focal plane of a telescope?   Why are astronomers interested in building observatories capable of detecting neutrinos, cosmic rays, and gravitational waves? When your eye forms an image, the       plays a role analogous to the detector in a camera

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2. Why are astronomers interested in building observatories capable of detecting neutrinos, cosmic rays, and gravitational waves?
3. When your eye forms an image, the       plays a role analogous to the detector in a camera.

4. What is the purpose of adaptive optics?
5. What do astronomers mean by light pollution?
6. What are two basic designs of telescope and what do they do?
7. Suppose you want to determine the chemical composition of a distant planet or star. Which of the following will be most useful to have?
8. Suppose you have a camera attached to a telescope, and you want to record an image of a faint galaxy. Which of the following will help the most?
9. Which of the following is not a reason why telescopes tend to be built on mountaintops that are relatively far from cities and are in regions with dry climates?
10. The twinkling of stars is caused by:
11. What are the two most important properties of a telescope?
12. Which of the following is always true about images captured with x-ray telescopes?
13. Why can't x-ray and gamma-ray telescopes use the same designs as visible-light telescopes?
14.                                       separates the different wavelengths of light before they hit the detector.
15. The diffraction limit is a limit on: