21st Century Astronomy
6th Edition
ISBN: 9780393428063
Author: Kay
Publisher: NORTON
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Question
Chapter 16, Problem 12QP
To determine
The characteristic of type Ia supernova.
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Students have asked these similar questions
Hypernovae are thought to be
a.
a star greater than 20 solar masses collapsing into a black hole.
b.
binary systems involving mass transferred to a neutron star.
c.
binary systems involving mass transferred to a white dwarf.
d.
two main-sequence stars colliding.
e.
binary systems involving mass transferred to a black hole.
Which of the following statements about novae is not true?
A. A nova involves fusion taking place on the surface of a white dwarf.
B. A star system that undergoes a nova may have another nova sometime in the future.
C. Our Sun will probably undergo at least one nova when it becomes a white dwarf about 5 billion years from now.
D. When a star system undergoes a nova, it brightens considerably, but not as much as a star system undergoing a supernova.
Is the answer C? Since the sun has no companion star, it cannot gain accreted matter to initiate a nova and so it would not undergo a nova, it would just undergo a type I supernova?
Thanks!
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 16 Solutions
21st Century Astronomy
Ch. 16.1 - Prob. 16.1CYUCh. 16.3 - Prob. 16.3CYUCh. 16.4 - Prob. 16.4CYUCh. 16.5 - Prob. 16.5CYUCh. 16 - Prob. 1QPCh. 16 - Prob. 2QPCh. 16 - Prob. 3QPCh. 16 - Prob. 4QPCh. 16 - Prob. 5QPCh. 16 - Prob. 6QP
Ch. 16 - Prob. 8QPCh. 16 - Prob. 9QPCh. 16 - Prob. 10QPCh. 16 - Prob. 11QPCh. 16 - Prob. 12QPCh. 16 - Prob. 13QPCh. 16 - Prob. 14QPCh. 16 - Prob. 15QPCh. 16 - Prob. 16QPCh. 16 - Prob. 17QPCh. 16 - Prob. 18QPCh. 16 - Prob. 19QPCh. 16 - Prob. 20QPCh. 16 - Prob. 21QPCh. 16 - Prob. 23QPCh. 16 - Prob. 24QPCh. 16 - Prob. 25QPCh. 16 - Prob. 26QPCh. 16 - Prob. 27QPCh. 16 - Prob. 28QPCh. 16 - Prob. 29QPCh. 16 - Prob. 30QPCh. 16 - Prob. 31QPCh. 16 - Prob. 32QPCh. 16 - Prob. 33QPCh. 16 - Prob. 34QPCh. 16 - Prob. 35QPCh. 16 - Prob. 36QPCh. 16 - Prob. 37QPCh. 16 - Prob. 38QPCh. 16 - Prob. 39QPCh. 16 - Prob. 40QPCh. 16 - Prob. 41QPCh. 16 - Prob. 42QPCh. 16 - Prob. 43QPCh. 16 - Prob. 44QPCh. 16 - Prob. 45QP
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- For a white dwarf to become a nova it is necessary for it to A. become a black hole. B. have begun life as a high-mass star. C. have a binary companion. D.rejoin the main sequence.arrow_forwardThe white dwarf that remains when our Sun dies will be mostly made of A. helium. B. carbon. C. neutrons. D. hydrogen. Is the answer B? Thanks!arrow_forward2. What must be the radius of a star of mass 2.0x10" kg so that the escape speed from this star is equal to 2x 10" m/s?arrow_forward
- The theory that the collapse of a massive star’s iron core produces neutrinos was supported by a. the size and structure of the Crab nebula. b. laboratory measurements of the mass of the neutrino. c. the brightening of supernovae a few days after they are first visible. d. underground counts from solar neutrinos. e. the detection of neutrinos from the supernova of 1987.arrow_forwardA helium flash occurs a. because helium is very explosive and cannot be controlled when the nuclear reactions occur. b. because degenerate electrons in the core do not allow the core to expand as it heats up. c. in Cepheid variables. d. in stars with masses less than 0.4 M. e. under none of the above conditions.arrow_forwardA Type Ia Supernova is an example of a: a. Parallax object b. Moving cluster object c. Standard ruler object d. Standard candle objectarrow_forward
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