PHYSICAL SCIENCE
11th Edition
ISBN: 9781307077865
Author: Tillery, Bill
Publisher: MCG/CREATE
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Concept explainers
Question
Chapter 14, Problem 17AC
To determine
The name of physical quantity which held a galaxy together, from the following options:
stellar dust.
gravitational attraction.
electronic attractions.
pulsating stars.
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Students have asked these similar questions
A galaxy whose spiral arms have a woolly or fluffy appearance are called
a.
flocculent.
b.
hairy.
c.
vague.
d.
foggy.
e.
fleecy.
The theory that waves of compression move around the galaxy triggering star formation is called
a.
the flocculent theory.
b.
the spiral compression theory.
c.
the density wave theory.
d.
the differential rotation theory.
e.
none of the above.
The traditional theory states that our galaxy formed
a.
as a large spherical cloud of gas that was rotating very slowly.
b.
from a large cloud of material that broke off from a larger galaxy.
c.
from material that had been ejected in the violent explosion of a dying galaxy.
d.
as a result of mergers between several smaller groups of gas, dust, and stars.
e.
as two massive galaxies collided.
Chapter 14 Solutions
PHYSICAL SCIENCE
Ch. 14 -
1. A referent system that can be used to locate...Ch. 14 - Prob. 2ACCh. 14 - Prob. 3ACCh. 14 - Prob. 4ACCh. 14 - Prob. 5ACCh. 14 - Prob. 6ACCh. 14 - Prob. 7ACCh. 14 - Prob. 8ACCh. 14 - Prob. 9ACCh. 14 -
10. The lifetime of a star depends on...
Ch. 14 - Prob. 11ACCh. 14 - Prob. 12ACCh. 14 - Prob. 13ACCh. 14 - Prob. 14ACCh. 14 - Prob. 15ACCh. 14 - Prob. 16ACCh. 14 - Prob. 17ACCh. 14 - Prob. 18ACCh. 14 - Prob. 19ACCh. 14 -
20. Stars twinkle and planets do not twinkle...Ch. 14 -
21. How much of the celestial meridian can you...Ch. 14 - Prob. 22ACCh. 14 - Prob. 23ACCh. 14 - Prob. 24ACCh. 14 - Prob. 25ACCh. 14 - Prob. 26ACCh. 14 - Prob. 27ACCh. 14 - Prob. 28ACCh. 14 - Prob. 29ACCh. 14 - Prob. 30ACCh. 14 - Prob. 31ACCh. 14 - Prob. 32ACCh. 14 - Prob. 33ACCh. 14 - Prob. 34ACCh. 14 - Prob. 35ACCh. 14 - Prob. 36ACCh. 14 - Prob. 37ACCh. 14 - Prob. 38ACCh. 14 - Prob. 39ACCh. 14 - Prob. 40ACCh. 14 - Prob. 41ACCh. 14 - Prob. 42ACCh. 14 - Prob. 43ACCh. 14 - Prob. 44ACCh. 14 - Prob. 45ACCh. 14 -
46. Evidence that points to the existence of...Ch. 14 -
47. The name of our galaxy is the
a. solar...Ch. 14 - Prob. 48ACCh. 14 - Prob. 49ACCh. 14 - Prob. 50ACCh. 14 -
1. Would you ever observe the Sun to move along...Ch. 14 - Prob. 2QFTCh. 14 - Prob. 3QFTCh. 14 - Prob. 4QFTCh. 14 - Prob. 5QFTCh. 14 - Prob. 6QFTCh. 14 - Prob. 7QFTCh. 14 - Prob. 8QFTCh. 14 - Prob. 9QFTCh. 14 - Prob. 10QFTCh. 14 - Prob. 11QFTCh. 14 - Prob. 12QFTCh. 14 - Prob. 13QFTCh. 14 - Prob. 14QFTCh. 14 - Prob. 15QFTCh. 14 - Prob. 16QFTCh. 14 - Prob. 17QFTCh. 14 - Prob. 18QFTCh. 14 - Prob. 19QFTCh. 14 - Prob. 20QFTCh. 14 - Prob. 21QFTCh. 14 - Prob. 1FFACh. 14 - Prob. 2FFACh. 14 - Prob. 3FFACh. 14 -
4. What is the significance of the...Ch. 14 - Prob. 1PEBCh. 14 - Prob. 2PEBCh. 14 - Prob. 3PEBCh. 14 - Prob. 4PEBCh. 14 - Prob. 5PEBCh. 14 - Prob. 6PEBCh. 14 - Prob. 7PEBCh. 14 - Prob. 8PEBCh. 14 - Prob. 9PEBCh. 14 - Prob. 10PEBCh. 14 - Prob. 11PEBCh. 14 - Prob. 12PEBCh. 14 - Prob. 13PEBCh. 14 - Prob. 14PEBCh. 14 - Prob. 15PEB
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- The lower limit of the mass of the galaxy is a. 100 solar masses. b. 100,000 solar masses. c. 100 million solar masses. d. 100 billion solar masses. e. 100 trillion solar masses.arrow_forwardWhat happens when galaxies collide? A. Star collisions will be rare but the shapes of the galaxies will be largely distorted. B. The shapes of the galaxies will be largely distorted and many of the stars of one galaxy will collide with stars of the other galaxy. C. The shapes of the galaxies will be distorted and many stars will collide with stars of the other galaxy, as well as with other stars in the same galaxy. D. Star collisions will be rare and the two galaxies will just pass through each other without any changes. Is the answer A? Thank you!arrow_forwardQuasi-stellar objects were first detected as a. double-lobed spiral galaxies. b. faint points of light with peculiar emission spectra. c. large regions of X-ray emissions. d. starlike objects with normal stellar emission spectra. e. galaxies with normal stellar emission spectra.arrow_forward
- 3. Suppose you measure the radial velocity of a galaxy to be 5,000 km/s. How far away is it?arrow_forwardWhat triggers the nucleus of a galaxy into activity? a. a nova explosion b. a type I supernova explosion c. a hypernova explosion d. a type II supernova explosion e. none of the abovearrow_forwardThe largest structures in the universe are a. star clusters. b. galaxy clusters. c. galaxy superclusters. d. filaments and voids. e. galaxies.arrow_forward
- The big bang happened a. in the Hyades cluster. b. in the Virgo cluster. c. in the Sagittarius spiral arm. d. in the Andromeda Galaxy. e. in all of these locations.arrow_forwardIf our universe is expanding, what are the implications for the separation between two stars within our galaxy? A. The two stars are moving farther apart. B. The two stars are moving closer together. C. The distance between the two stars is unaffected. D. The question is impossible to answer without more information.arrow_forwardThe sun is about 8 kpc from the center of the galaxy. A kpc or kiloparsec is equal to a. 10 parsecs. b. 100 parsecs. c. 1,000,000 parsecs d. 1,000,000,000 parsecs. e. none of the above.arrow_forward
- Our galaxy is suspected to be surrounded by a galactic corona because the disk of the galaxy a. rotates faster than expected in its outer region. b. rotates more slowly than expected in its outer region. c. rotates faster than expected in its inner region. d. rotates more slowly than expected in its inner region. e. is much flatter than expectedarrow_forwardGalaxy seeds around which galaxies, clusters, and walls grew may have been a. caused by hot dark matter. b. caused by baryons. c. the result of the separation of the electromagnetic and weak forces. d. the result of freezing water molecules shortly after the universe became transparent to photons. e. caused by microscopic random fluctuations in the infant universe.arrow_forwardThe fact that many radio lobes emit less intensely on the side of the galaxy facing away from Earth suggests that a. they are formed by material falling into the galaxy. b. they are powered by black body radiation. c. they are excited by radiation from nearby galaxies. d. they are powered by the rapid rotation of the galaxy. e. they are created by jets of high-speed matter in magnetic fields, which tend to emit photons in the direction they are moving.arrow_forward
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