Foundations of Astronomy
13th Edition
ISBN: 9781305079151
Author: Michael A. Seeds, Dana Backman
Publisher: Cengage Learning
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Chapter 13, Problem 22RQ
To determine
Does the spectrum show the difference between a type I supernovae and a type II supernovae and find why this difference occurs.
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A Type Ia Supernova is an example of a:
Comment on the difference between a nova and supernova. [Note: There are two basic types of supernova.]
(a)What type of supernova is most luminous in light?
(b) What kind of star results in such an explosion?
(c) What type of supernova is most luminous in neutrino emission?
(d) What kind of star results in such an explosion?
Chapter 13 Solutions
Foundations of Astronomy
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- How is a nova different from a type Ia supernova? How does it differ from a type II supernova?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_forwardHow do the two types of supernovae discussed in this chapter differ? What kind of star gives rise to each type?arrow_forward
- What observations from SN 1987A helped confirm theories about supernovae?arrow_forwardWould you be more likely to observe a type II supernova (the explosion of a massive star) in a globular cluster or in an open cluster? Why?arrow_forwardA supernova can eject material at a velocity of 10,000 km/s. How long would it take a supernova remnant to expand to a radius of 1 AU? How long would it take to expand to a radius of 1 light-years? Assume that the expansion velocity remains constant and use the relationship: expansiontime=distanceexpansionvelocity .arrow_forward
- A supernova remnant is now 4.75 pc in radius and is expanding at 1,600 km/s. Approximately how many years ago did the supernova occur? (Note: 1 pc = 3.1 1013 km and 1 yr = 3.2 107 s.)arrow_forwardIndicate 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) Can occur in a very old star cluster. B) Can only occur in a binary system. C) The spectrum shows strong Hydrogen lines D) Produces very heavy elements like Uranium during the explosion. F) Could completely explode and leave no remnant behind. Supernovae of this type have the same peak luminosity.arrow_forwardA supernova remnant is now 3.85 pc in radius and is expanding at 3,350 km/s. Approximately how many years ago did the supernova occur? (Note: 1 pc = 3.1 ✕ 1013 km and 1 yr = 3.2 ✕ 107 s.)arrow_forward
- During the collapse of a supernova explosion, calculate the change in gravitational potential energy associated with the core size. Assume a typical core mass of 1.4 Msun and an initial radius of 1000 km.arrow_forwardfill in missing word a) One difference between a type I and type II supernova is the formation of the element _________ in the core that produces a type II supernova b) The Chandrasekhar limit of a star (1.4 solar masses) is the mass limit above which a star cannot remain stable as a ________ ________. c) The temperature of a red giant star is ____________ than it was when the star was a dwarf.arrow_forwarda supernova remnant is now 2.95 pc in radius and is expanding at 3,850 km/s. approximately how many years ago did the supernova occur? ( note 1 pc = 3.1×10^13km and 1year= 3.2 × 10^7 s)arrow_forward
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