21st Century Astronomy
6th Edition
ISBN: 9780393428063
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
K
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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- When astronomers discuss the apertures of their telescopes, they say bigger is better. Explain why. a) A wider aperture can observe a significantly larger portion of the sky. b) A wider aperture makes a telescope easier to aim. c) A wider aperture allows a telescope to collect more light, so it can produce images with higher resolution. d) A wider aperture allows a telescope to collect more light, so it can detect fainter light sources.arrow_forwardA Quiz 1_chap.1 E Quiz1_chap.1E.F_s2 - Google Doc x 3 (3) WhatsApp Document 128.pdf b My Questions | bartleby + O File | file:///C:/Users/Mellopink/Downloads/Document%20128.pdf E Apps O YouTube A Maps G News I Google meet A Classroom 3 WhatsApp E kml SB025 E Reading list Document 128.pdf 1 / 1 125% + | Figure I Shows in three point charges that lie in the plane vacuUm. Calculate the of the electrostotiz farce on Q- het maynitude calculate the direction of fhe net b. Draiw and evectrostatil force 1 Callculate d. Drow magnitude of L. the electric field direction of the strength. field Strerghte the and Ccolculaba the evecsél on Q. -4 HC O:1914 M Electro Static constant, k= ... ... IIarrow_forwardPlease solve this questionarrow_forward
- 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
- Explain spectroscopy as a study within astronomy. Include the following information: how the process is conducted, what information it can provide, and why it is essential to the study of astronomy.arrow_forwardDetailed explaination. #2, #3 and #4arrow_forwardHow Do We know? In what way does accumulation of large amounts of basic scientific data help later scientists?arrow_forward
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