Universe: Stars And Galaxies
6th Edition
ISBN: 9781319115098
Author: Roger Freedman, Robert Geller, William J. Kaufmann
Publisher: W. H. Freeman
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Chapter 20, Problem 48Q
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The part of supernova which produces neutrinos.
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Why does a type II supernova explode? in two sentences.
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What is the difference between type I and type II supernovae?
Chapter 20 Solutions
Universe: Stars And Galaxies
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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
- How is a nova different from a type Ia supernova? How does it differ from a type II supernova?arrow_forwardHow do the two types of supernovae discussed in this chapter differ? What kind of star gives rise to each type?arrow_forwardHow would the spectra of a type II supernova be different from a type Ia supernova? Hint: Consider the characteristics of the objects that are their source.arrow_forward
- A supernova remnant was recently discovered and found to be approximately 150 years old. Provide possible reasons that this supernova explosion escaped detection.arrow_forwardWhat observations from SN 1987A helped confirm theories about supernovae?arrow_forwardA supernova remnant was observed in 2007 to be expanding at a velocity of 14,000 km/s and had a radius of 6.5 light-years. Assuming a constant expansion velocity, in what year did this supernova occur?arrow_forward
- A Type Ia Supernova is an example of a:arrow_forwardComment on the difference between a nova and supernova. [Note: There are two basic types of supernova.]arrow_forwardWhich of the following statements about Supernova 1987A is FALSE? a. it exploded relatively close to us, in a spiral arm of the Milky Way Galaxy b. it was only visible from the Southern Hemisphere c. astronomers believe it was the explosion of a star that was originally a massive type O e. it was observed with instruments in space as well as on the groundarrow_forward
- Indicate whether the following are properties of Type Ia or Type II supernovae. (Select 1-Type Ia, 2-Type II. If the first is 1 and the rest 2, enter 12222222). A) Produces very heavy elements like Uranium during the explosion. B) Can occur in a very old star cluster. C) Supernovae of this type have the same peak luminosity. D) Could completely explode and leave no remnant behind. E) Can only occur in a binary system. F) The spectrum shows very little Hydrogen. G) Caused by a white dwarf exceeding the Chandrasekhar mass limit.arrow_forwardWhich of the following is least reasonable regarding novae and supernovae? Group of answer choices A type I (carbon-detonation) supernova results when a white dwarf in a binary system absorbs enough mass from its companion to push it over the Chandrasekhar limit. A type II supernova results from any supermassive star at the end of its life, when it runs out of fusion energy and collapses. A nova can occur multiple times in a binary system. If a white dwarf in a binary system absorbs enough mass to go beyond the Chandrasekhar limit, the white dwarf explodes as a supernova. The reason a type I supernova does not produce hydrogen lines is that the explosion originates from a stellar core (white dwarf), where hydrogen has already fused to produce heavier elements (so there is no longer any hydrogen). More supernovae are observed in the Milky Way because they are much closer to us than those in other galaxies.arrow_forwardDescribe the forces acting on a star during the main sequence period of its life?arrow_forward
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