Understanding Our Universe
3rd Edition
ISBN: 9780393614428
Author: PALEN, Stacy, Kay, Laura, Blumenthal, George (george Ray)
Publisher: W.w. Norton & Company,
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Chapter 17, Problem 17QAP
To determine
In which type of dark matter neutrino exists.
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Which statement concerning black hole masses and Schwarzschild radii is not true?
A. Even an object as small as you could become a black hole if there were some way to
compress you to a size smaller than your Schwarzschild radius.
B. The more massive the black hole, the larger the Schwarzschild radius.
C. For black holes produced in massive star supernovae, Schwarzschild radii are typically a
few to a few tens of kilometers.
D. In a binary system with a black hole, the Schwarzschild radius depends on the distance
from the black hole to the companion star.
Which of the following objects is considered to possibly contain a black hole?
a.
the central star of the Crab nebula
b.
the Orion nebula
c.
LMC X-3
d.
Algol
e.
PSR 1257+12
What makes us think that the star system Cygnus X-1 contains a black hole?
A, It emits X rays characteristic of an accretion disk, but the unseen star in the system is too
massive to be a neutron star.
B. No light is emitted from this star system, so it must contain a black hole.
C. The fact that we see strong X-ray emission tells us that the system must contain a black
hole.
D.Cygnus X-1 is a powerful X-ray burster, so it must contain a black hole.
Chapter 17 Solutions
Understanding Our Universe
Ch. 17.1 - Prob. 17.1CYUCh. 17.2 - Prob. 17.2CYUCh. 17.3 - Prob. 17.3CYUCh. 17.4 - Prob. 17.4CYUCh. 17.5 - Prob. 17.5CYUCh. 17 - Prob. 1QAPCh. 17 - Prob. 2QAPCh. 17 - Prob. 3QAPCh. 17 - Prob. 4QAPCh. 17 - Prob. 5QAP
Ch. 17 - Prob. 6QAPCh. 17 - Prob. 7QAPCh. 17 - Prob. 8QAPCh. 17 - Prob. 9QAPCh. 17 - Prob. 10QAPCh. 17 - Prob. 11QAPCh. 17 - Prob. 12QAPCh. 17 - Prob. 13QAPCh. 17 - Prob. 14QAPCh. 17 - Prob. 15QAPCh. 17 - Prob. 16QAPCh. 17 - Prob. 17QAPCh. 17 - Prob. 18QAPCh. 17 - Prob. 19QAPCh. 17 - Prob. 20QAPCh. 17 - Prob. 21QAPCh. 17 - Prob. 22QAPCh. 17 - Prob. 23QAPCh. 17 - Prob. 24QAPCh. 17 - Prob. 25QAPCh. 17 - Prob. 26QAPCh. 17 - Prob. 27QAPCh. 17 - Prob. 28QAPCh. 17 - Prob. 29QAPCh. 17 - Prob. 30QAPCh. 17 - Prob. 31QAPCh. 17 - Prob. 32QAPCh. 17 - Prob. 33QAPCh. 17 - Prob. 34QAPCh. 17 - Prob. 35QAPCh. 17 - Prob. 36QAPCh. 17 - Prob. 37QAPCh. 17 - Prob. 38QAPCh. 17 - Prob. 39QAPCh. 17 - Prob. 40QAPCh. 17 - Prob. 41QAPCh. 17 - Prob. 42QAPCh. 17 - Prob. 43QAPCh. 17 - Prob. 44QAPCh. 17 - Prob. 45QAP
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