EP COSMIC PERSPECTIVE-MOD.MASTERING
9th Edition
ISBN: 9780137453481
Author: Bennett
Publisher: SAVVAS L
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Chapter 23, Problem 52EAP
To determine
Mass-to-light ratio.
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The density of a ________________ is greater than the density of a _________________.
a.
white dwarf; neutron star
b.
neutron star; black hole
c.
pulsar; neutron star
d.
pulsar; white dwarf
e.
white dwarf; black hole
A Type Ia Supernova is an example of a:
a.
Parallax object
b.
Moving cluster object
c.
Standard ruler object
d.
Standard candle object
Why don’t all supernova remnants contain pulsars?
a.
All supernova remnants do contain pulsars.
b.
Some supernova explosions form white dwarfs instead of the neutron stars necessary for pulsars.
c.
Pulsars slow down and quit producing the pulses before the supernova remnant dissipates.
d.
The pulsar may be tipped so that the beams do not sweep past Earth.
e.
b and c
Chapter 23 Solutions
EP COSMIC PERSPECTIVE-MOD.MASTERING
Ch. 23 - Prob. 1VSCCh. 23 - Prob. 2VSCCh. 23 - Prob. 3VSCCh. 23 - Prob. 4VSCCh. 23 - Prob. 1EAPCh. 23 - Prob. 2EAPCh. 23 - Prob. 3EAPCh. 23 - Prob. 4EAPCh. 23 - Prob. 5EAPCh. 23 - Prob. 6EAP
Ch. 23 - Prob. 7EAPCh. 23 - Prob. 8EAPCh. 23 - Prob. 9EAPCh. 23 - Explain what we mean when we say that a neutrino...Ch. 23 - Prob. 11EAPCh. 23 - Briefly explain why dark matter is thought to have...Ch. 23 - What do the large-scale structures of the universe...Ch. 23 - Prob. 14EAPCh. 23 - Prob. 15EAPCh. 23 - Prob. 16EAPCh. 23 - Prob. 17EAPCh. 23 - Prob. 18EAPCh. 23 - Prob. 19EAPCh. 23 - Prob. 20EAPCh. 23 - Prob. 21EAPCh. 23 - Prob. 22EAPCh. 23 - Prob. 23EAPCh. 23 - Prob. 24EAPCh. 23 - Prob. 25EAPCh. 23 - Prob. 26EAPCh. 23 - Prob. 27EAPCh. 23 - Prob. 28EAPCh. 23 - Prob. 29EAPCh. 23 - Prob. 30EAPCh. 23 - Choose the best answer to each of the following....Ch. 23 - Prob. 32EAPCh. 23 - Prob. 33EAPCh. 23 - Prob. 34EAPCh. 23 - Choose the best answer to each of the following....Ch. 23 - Choose the best answer to each of the following....Ch. 23 - Choose the best answer to each of the following....Ch. 23 - Prob. 38EAPCh. 23 - Prob. 40EAPCh. 23 - Prob. 43EAPCh. 23 - Prob. 44EAPCh. 23 - Prob. 45EAPCh. 23 - Prob. 46EAPCh. 23 - Prob. 47EAPCh. 23 - Prob. 48EAPCh. 23 - Prob. 49EAPCh. 23 - Prob. 50EAPCh. 23 - Prob. 51EAPCh. 23 - Prob. 52EAPCh. 23 - Prob. 53EAPCh. 23 - Prob. 54EAPCh. 23 - Prob. 55EAPCh. 23 - Weighing a Cluster. A cluster of galaxies has a...Ch. 23 - Prob. 57EAPCh. 23 - Prob. 58EAPCh. 23 - Prob. 59EAP
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- The maximum mass limit for a ________________ is 1.4 solar masses. a. red dwarf b. white dwarf c. neutron star d. black holearrow_forward4. What is the upper limit of a brown dwarf’s size? a. no upper limit b. 0.50 solar masses c. 0.10 solar masses d. 0.08 solar masses e. less than 0.08 solar massesOn this one, I feel like E is the answer because the book mentions a red dwarf that is .08 solar masses in the section about brown dwarfs. I just want to be sure that D is not what they are looking for. (I've asked the professor, but I am not having any luck getting in touch with him.)arrow_forwardAs a white dwarf cools, its radius will not change because a. pressure resulting from nuclear reactions in a shell just below the surface keeps it from collapsing. b. pressure does not depend on temperature for a white dwarf because the electrons are degenerate. c. pressure does not depend on temperature because the white dwarf is too hot. d. pressure does not depend on temperature because the star has exhausted all its nuclear fuels. e. material accreting onto it from a companion maintains a constant radius.arrow_forward
- Once carbon builds up in the Sun's core, astronomers expect our Sun to first become a red giant, then a .. Select one: A. neutron star B. red dwarf C. planetary nebula D. black hole E. pulsararrow_forwardWhat is the lifetime on the main sequence of a 2-solar-mass star? a. 1.8 × 1011 years b. 1.8 × 1010 years c. 1.8 × 109 years d. 1.8 × 106 years e. 1.8 × 103 yearsarrow_forwardWhite dwarfs have a temperature of 100×103 K. Calculate the maximum wavelength of a White dwarf.arrow_forward
- Pulsars result from a. expanding red giant stars b. white dwarf supernovas c. spinning neutron starsarrow_forwardIf a 1.40 M. neutron star has a radius of 10 km, what is the density (in kg/cm) of a 1.52 M.un neutron star? Sun kg/cm3arrow_forwardIf a stellar remnant is in between 0.4 and 1.4 solar masses, the resulting object will be a a. brown dwarf. b. red dwarf. c. white dwarf. d. neutron star. e. black hole.arrow_forward
- Which of the following stars are bright and very cool. A. White dwarfs B. Our sun C. Giantsarrow_forwardA star is observed with a surface temperature of 3,000 K and a luminosity of 100,000 solar luminosities What is the approximate mass of this star? a. 300 Solar masses b. it can't be determined from this information c. 3 Solar masses d. 0.3 Solar masses e. 30 Solar Massesarrow_forwardWhich of the following is the most reasonable statement regarding a neutron star? Group of answer choices It consists mostly or entirely of neutrinos. The most common component of a neutron star is hydrogen. The star will turn into white dwarf. All its electrons have been combined with protons. It consists of neutrons and protons floating in a sea of electrons.arrow_forward
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