21ST C ASTRO EBOOK+SW5=SS+VGCRD+LEARN/DO
6th Edition
ISBN: 9780393870152
Author: PALEN
Publisher: Norton, W. W. & Company, Inc.
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Chapter 21.2, Problem 21.2CYU
To determine
The location where big bang takes place.
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The age of the universe can be determined if
a.
the universe is flat.
b.
the amount of dark matter in the universe can be accurately determined.
c.
the rate of recession of the galaxies in the Local Group can be accurately determined.
d.
the temperature of the cosmic background radiation can be accurately determined.
e.
the Hubble constant and density of the universe can be accurately determined.
Current evidence suggests that the universe is
a.
flat, infinite, and neither expanding nor contracting.
b.
closed, finite, and slowing its expansion.
c.
open, infinite, and slowing its expansion.
d.
open, finite, and accelerating its expansion.
e.
flat, infinite, and accelerating its expansion.
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.
Chapter 21 Solutions
21ST C ASTRO EBOOK+SW5=SS+VGCRD+LEARN/DO
Ch. 21.1 - Prob. 21.1CYUCh. 21.2 - Prob. 21.2CYUCh. 21.3 - Prob. 21.3ACYUCh. 21.3 - Prob. 21.3BCYUCh. 21.4 - Prob. 21.4CYUCh. 21 - Prob. 1QPCh. 21 - Prob. 2QPCh. 21 - Prob. 3QPCh. 21 - Prob. 4QPCh. 21 - Prob. 5QP
Ch. 21 - Prob. 6QPCh. 21 - Prob. 7QPCh. 21 - Prob. 8QPCh. 21 - Prob. 9QPCh. 21 - Prob. 10QPCh. 21 - Prob. 11QPCh. 21 - Prob. 12QPCh. 21 - Prob. 13QPCh. 21 - Prob. 14QPCh. 21 - Prob. 15QPCh. 21 - Prob. 16QPCh. 21 - Prob. 17QPCh. 21 - Prob. 18QPCh. 21 - Prob. 19QPCh. 21 - Prob. 20QPCh. 21 - Prob. 21QPCh. 21 - Prob. 23QPCh. 21 - Prob. 24QPCh. 21 - Prob. 25QPCh. 21 - Prob. 26QPCh. 21 - Prob. 27QPCh. 21 - Prob. 28QPCh. 21 - Prob. 29QPCh. 21 - Prob. 30QPCh. 21 - Prob. 31QPCh. 21 - Prob. 32QPCh. 21 - Prob. 33QPCh. 21 - Prob. 34QPCh. 21 - Prob. 35QPCh. 21 - Prob. 36QPCh. 21 - Prob. 37QPCh. 21 - Prob. 38QPCh. 21 - Prob. 39QPCh. 21 - Prob. 40QPCh. 21 - Prob. 41QPCh. 21 - Prob. 42QPCh. 21 - Prob. 43QPCh. 21 - Prob. 44QPCh. 21 - Prob. 45QP
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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
- If 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 type of universe in which the average density is predicted to be greatest is the a. open universe. b. flat universe. c. closed universe. d. negatively curved universe.arrow_forwardTheory predicts that the irregularities in the hot gas of the big bang should be how many degrees in diameter if the universe is flat? a. 0.01 degree b. 1 degree c. 5 degrees d. 10 degrees e. 20 degreesarrow_forward
- If the universe is closed and finite, then a. the universe has a center and an edge. b. the universe will expand forever. c. the final fate of the universe will be very cold and of extremely low density. d. the space-time of the universe is negatively curved. e. none of the above are true.arrow_forwardThe assumption of isotropy states that a. the universe looks the same at all epochs. b. the universe looks the same from all locations over sufficiently great distances. c. the universe looks the same in all directions over sufficiently great distances. d. all of the above are true. e. none of the above are true.arrow_forwardIf the Hubble constant equals 70 km/s/Mpc, the age of the universe roughly equals a. 6 billion years. b. 10 billion years. c. 12 billion years. d. 14 billion years. e. 20 billion years.arrow_forward
- In a Universe with Ω=1, without the presence of dark energy, the expansion of the Universe would a. remain constant over time b. slow down over time c. reverse and then collapse d. speed up over timearrow_forwardHow does the age of the universe relate to the Hubble constant? a. The smaller the constant, the older the universe. b. The larger the constant, the older the universe. c. The Hubble constant is the age of the universe. d. The Hubble constant is the square of the universe. e. It is impossible to tell the age of the universe from the Hubble constant.arrow_forwardIn the context of the Big Bang theory, cosmic inflation refers to: A. A rapid expansion of the universe in its early stages. B. The steady increase in the temperature of the universe. C. The formation of galaxies from primordial gas clouds. D. The eventual collapse of the universe.arrow_forward
- 21. Which of the following represents the notion that our observable Universe may be a part of a much larger whole? a. Big Bang Nucleosynthesis. b. Solar System. c. Galaxy. d. Multiverse.arrow_forwardI need the answer as soon as possiblearrow_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_forward
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