21ST CENT.AST.W/WKBK+SMARTWORK >BI<
6th Edition
ISBN: 9780393415216
Author: Kay
Publisher: NORTON
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Chapter 6.5, Problem 6.5CYU
To determine
Identify one of the main uses of high-performance computers in the field of astronomy.
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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 telescope
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
What are the three basic components of a modern astronomical instrument? Describe each in one to two sentences. (Select all that apply.)
a magnifier, which increases the size of the image
a motor, which allows the telescope to track sorces as they move
a detector, which senses and records the radiation
an eyepiece, where an astronomer can view the image created
a telescope, which collects radiation
a device which sorts radiation by wavelength
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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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- QUESTION 3 Use the fact that the speed of light in a vacuum is about 3.00 x 108 m/s to determine how many kilometers (km) a pulse from a laser beam travels in 2.2 hours. Answer in units of km and round to two decimal places. Tip: Scientific/exponential notation such as $.4×10 -4 should be entered as 5.4e-4 or 5.4E-4 with NO space.arrow_forwardEarly astronomers thought that galaxies were single stars. Why was this mistake easy to make? A. Galaxies are so far away that they look like a single star. B. Galaxies are made of stars that you can only see one at a time. C. Light from galaxies collects into a single beam. D. Earth is small and galaxies are much larger.arrow_forwardAn astronomical unit a.is the average distance from the Earth to the Sun. b.is about 150 million kilometres. c.is measured using radar signals bouncing off Venus. d.has units of distance. e.all of the mentioned choices. Galileo made many discoveries. Which one of these is not attributed to him? a.that the Moon has mountains, valleys and craters b.that the Sun has imperfections known as sunspots c.that four small points of light orbit the planet Jupiter d.the invention of the telescope e.that Venus shows a complete cycle of phases Which one of these statements describes why the planet Venus is much warmer than Earth? a.Venus has a denser and deeper atmosphere. b.It is closer to the Sun than Earth. c.It experienced a 'runaway greenhouse effect' long ago. d.It produces more carbon dioxide than is absorbed by the surface. e.all of the mentioned statementsarrow_forward
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