21ST CENT.AST.W/WKBK+SMARTWORK >BI<
6th Edition
ISBN: 9780309341523
Author: Kay
Publisher: NORTON
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Chapter 6, Problem 7QP
To determine
Compare the light gathering power of a 4 m telescope with that of 2 m telescope.
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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
One of the disadvantages of a radio telescope compared to a reflecting optical telescope is its inability to
a.
reveal finer detail.
b.
detect cool hydrogen.
c.
see through interstellar dust.
d.
see some of the most distant objects in the universe.
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.
Chapter 6 Solutions
21ST CENT.AST.W/WKBK+SMARTWORK >BI<
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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- What is the area, in square meters, of a 10-m telescope?arrow_forwardOf 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_forwardWhich of the following telescopes must be used above Earth’s atmosphere? a. an optical telescope b. the VLBI telescope c. an X-ray telescope d. a radio telescope e. none of the abovearrow_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_forwardWhen two objects are far away, an observer moving will see a shift of the closest object relative to the farthest object. This shift is known as a.triangulation. b.parallax. c.a baseline. d.a degree. e.an arc second. What advantages do large telescopes have over smaller ones? a.larger collecting areas b.both superior angular resolution and less aberration c.superior angular resolution d.less aberration e.better exposure times What is the name given to a day which uses the stars as a reference? a.solar day b.diurnal day c.sidereal day d.orbital day e.none of the mentioned choicesarrow_forwardWhich of the following is NOT a characteristic of the next generation of planned telescopes? Answers: A. multiple focus points B. extreme size C. segmented mirrors D. adaptive optics E. multiple wavebandsarrow_forward
- which 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_forwardHubble’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?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_forward
- Imagine that you are the head of a funding agency that can afford to build one telescope. Which of the following proposed telescopes would be best to support? A. a visible light telescope in Earth orbit B. An x-ray telescope located on a mountain in Chile C. A gamma ray telescope in Hawaii D. An ultraviolet telescope located in Earth orbitarrow_forwardOutline the invention of a telescope. Describe the working of a telescope.arrow_forwardRadio telescopes are better than optical telescopes because: A. they can detect faint galaxies which no optical telescope can B. they can work even in cloudy conditions C. they can work during the day and night D. All of the abovearrow_forward
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