21st Century Astronomy
6th Edition
ISBN: 9780393428063
Author: Kay
Publisher: NORTON
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Chapter 6, Problem 4QP
To determine
The resolution of telescope.
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The resolving power of an optical telescope with a diameter of 232 cm is
a.
0.05 arc seconds.
b.
232 arc seconds.
c.
2.32 arc seconds.
d.
5 arc seconds.
e.
11.5 arc seconds.
Hubble’s Field of View. Large telescopes often have small fields of view. For example, the Hubble Space Telescope’s (HST’s) advanced camera has a field of view that is roughly square and about 0.06° on a side.
a. Calculate the angular area of the HST’s field of view in square degrees.
b. The angular area of the entire sky is about 41,250 square degrees. How many pictures would the HST have to take with its camera to obtain a complete picture of the entire sky?
What is the ratio of the light-gathering power of a 10-meter telescope to that of a 1‑meter telescope?
a.
10 to 1
b.
1 to 10
c.
100 to 1
d.
1 to 100
e.
3.2 to 1
Chapter 6 Solutions
21st Century Astronomy
Ch. 6.1 - Prob. 6.1ACYUCh. 6.1 - Prob. 6.1BCYUCh. 6.2 - Prob. 6.2CYUCh. 6.3 - Prob. 6.3CYUCh. 6.4 - Prob. 6.4CYUCh. 6.5 - Prob. 6.5CYUCh. 6 - Prob. 1QPCh. 6 - Prob. 2QPCh. 6 - Prob. 3QPCh. 6 - Prob. 4QP
Ch. 6 - Prob. 5QPCh. 6 - Prob. 6QPCh. 6 - Prob. 7QPCh. 6 - Prob. 8QPCh. 6 - Prob. 9QPCh. 6 - Prob. 10QPCh. 6 - Prob. 11QPCh. 6 - Prob. 12QPCh. 6 - Prob. 13QPCh. 6 - Prob. 14QPCh. 6 - Prob. 15QPCh. 6 - Prob. 16QPCh. 6 - Prob. 17QPCh. 6 - Prob. 18QPCh. 6 - Prob. 19QPCh. 6 - Prob. 20QPCh. 6 - Prob. 21QPCh. 6 - Prob. 22QPCh. 6 - Prob. 23QPCh. 6 - Prob. 24QPCh. 6 - Prob. 25QPCh. 6 - Prob. 26QPCh. 6 - Prob. 27QPCh. 6 - Prob. 28QPCh. 6 - Prob. 29QPCh. 6 - Prob. 30QPCh. 6 - Prob. 31QPCh. 6 - Prob. 32QPCh. 6 - Prob. 33QPCh. 6 - Prob. 34QPCh. 6 - Prob. 35QPCh. 6 - Prob. 36QPCh. 6 - Prob. 37QPCh. 6 - Prob. 38QPCh. 6 - Prob. 39QPCh. 6 - Prob. 40QPCh. 6 - Prob. 41QPCh. 6 - Prob. 42QPCh. 6 - Prob. 43QPCh. 6 - Prob. 44QPCh. 6 - Prob. 45QP
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- Of the following observing devices, the one that is designed to make observations at visible wavelengths is a. Chandra. b. Sofia. c. the Hubble Space Telescope. d. the Spitzer Space Telescope e. the Compton Space telescope.arrow_forwardImagine that you are the head of a funding agency that can afford to build only one telescope. Which of the four proposed telescopes below would be best to support? OA. a radio telescope in orbit above the Earth B. A gamma ray telescope in orbit above the Earth OC. An x-ray telescope located on a mountain in Peru D.An ultraviolet telescope located in the Mojave desertarrow_forwardIf a luminous object were moved to one-half the original distance, it would appear a. one-half as bright. b. just as bright. c. twice as bright. d. four times brighter. e. eight times brighter.arrow_forward
- which types of telescopes must be placed and operated in space well above earth's atmosphere ? (select all that apply) a. gamma ray telescope b. x ray telescope c.UV telescope d. visible light telescope e.infrared telescope f. radio telescopearrow_forwardImagine that you are the head of a funding agency that can afford to build only one telescope. Which of the four proposed telescopes below would be best to support? O A. a radio telescope in orbit above the Earth B. A gamma ray telescope in orbit above the Earth O C. An x-ray telescope located on a mountain in Peru D. An ultraviolet telescope located in the Mojave desertarrow_forwardd. Diameter of the Sun I h d Standing on the beach at sunset, you extend the tip of your finger at your full arm length from your face, covering the Sun. Upon moving your finger around, you find that only about half of its width is needed to completely cover the Sun's diameter. You measure your finger width to be 0.5 inches. You know your arm length to be 28.0 inches You have be told that the Sun is approximately 93 million miles away. Use this information to determine the approximate diameter of the Sun, filling in the table below with the proper quantities measure in meters. 1=½ finger width X Arm length g = eye level d = object height A = angle from eye f= object height from h= Diameter of the Sun %3D %3D distance 93x10 mi level to top of eye level object OR 1.023 0127marrow_forward
- Which of the following describes interferometry? a. It is used to improve resolving power. b. It decreases the chromatic aberration of a telescope. c. It works only for large X-ray and ultraviolet telescopes. d. It requires that radio telescopes be within a few hundred feet of each other. e. None of the above statements are true.arrow_forwardwhich types of earth based telescopes can successfully observe celestial objects ? ( select all that apply) a. gamma ray telescope b. x ray telescope c.UV telescope d. visible light telescope e.infrared telescope f. radio telescopearrow_forward5. Three stars are moving away from the observer and their stellar spectra are shown below. 500 nm 600 nm 700 nm 400 nm 500 nm 600 nm 700 nm 400 nm 400 nm 500 nm 600 nm 700 nm 3 Arrange the stars in their velocity from fastest to slowest. Provide a reason for your answer. 2.arrow_forward
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