The reason, a shock wave from a supernova seems to produce relatively few high mass O and B stars compared to the lower mass A, F, G, and K stars.

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Chapter 18, Problem 49Q

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The reason, a shock wave from a supernova seems to produce relatively few high mass O and B stars compared to the lower mass A, F, G, and K stars.

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Betelgeuse is a nearby supergiant that will eventually explode into a supernova. Let's see how awesome it would look. At peak brightness, the supernova will have a luminosity of about 10 billion times the Sun. It is 600 light-years away. All stellar brightnesses are compared with Vega, which has an intrinsic luminosity of about 60 times the Sun, a distance of 25 light-years, an absolute magnitude of 0.6 and an apparent magnitude of 0 (by definition). a) At peak brightness, how many times brighter will Betelgeuse be than Vega? b) Approximately what apparent magnitude does this correspond to? c) The Sun is about -26.5 apparent magnitude. What fraction of the Sun's brightness will Betelgeuse be?

A supernova's energy is often compared to the total energy output of the Sun over its lifetime. Using the Sun's current luminosity, calculate the total solar energy output, assuming a 1010 year main-sequence lifetime. Using Einstein's formula E = mc? calculate the equivalent amount of mass, expressed in Earth masses. [Hint: The total energy output of the Sun over its lifetime is given by its current luminosity times the number of seconds in a year times its ten billion-year lifetime; Week 5 slide 4; mass of earth = 6x1024kg; c = 3x10®m/s. Your answer should be 200-300 Earth masses.]

A supernova’s energy is often compared to the total energy output of the Sun over its lifetime. Using the Sun’s current luminosity, calculate the total solar energy output, assuming a 1010 year main-sequence lifetime. Using Einstein’s formula E=mc2 calculate the equivalent amount of mass, expressed in Earth masses. [Hint: The total energy output of the Sun over its lifetime is given by its current luminosity times the number of seconds in a year times its ten billion-year lifetime; ; mass of earth = 6×1024kg; c = 3×108m/s. Your answer should be 200-300 Earth masses.]

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Chapter 18, Problem 49Q

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The reason, a shock wave from a supernova seems to produce relatively few high mass O and B stars compared to the lower mass A, F, G, and K stars.

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Chapter 18, Problem 49Q

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The reason, a shock wave from a supernova seems to produce relatively few high mass O and B stars compared to the lower mass A, F, G, and K stars.

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Answer 4

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Chapter 18, Problem 49Q

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To explain:

The reason, a shock wave from a supernova seems to produce relatively few high mass O and B stars compared to the lower mass A, F, G, and K stars.

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Chapter 18, Problem 49Q

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To explain:

The reason, a shock wave from a supernova seems to produce relatively few high mass O and B stars compared to the lower mass A, F, G, and K stars.

Answer 6

Chapter 18, Problem 49Q

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To explain:

The reason, a shock wave from a supernova seems to produce relatively few high mass O and B stars compared to the lower mass A, F, G, and K stars.

Answer 7

Chapter 18, Problem 49Q

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To explain:

The reason, a shock wave from a supernova seems to produce relatively few high mass O and B stars compared to the lower mass A, F, G, and K stars.

Answer 8

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Ch. 18 - Prob. 1Q Ch. 18 - Prob. 2Q Ch. 18 - Prob. 3Q Ch. 18 - Prob. 4Q Ch. 18 - Prob. 5Q Ch. 18 - Prob. 6Q Ch. 18 - Prob. 7Q Ch. 18 - Prob. 8Q Ch. 18 - Prob. 9Q Ch. 18 - Prob. 10Q

The reason, a shock wave from a supernova seems to produce relatively few high mass O and B stars compared to the lower mass A, F, G, and K stars.

Solution Summary: The author explains that a supernova shock wave produces relatively few high mass O and B stars compared to the lower mass A, F, G, and K stars.

Concept explainers

To explain:

The reason, a shock wave from a supernova seems to produce relatively few high mass O and B stars compared to the lower mass A, F, G, and K stars.

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Chapter 18 Solutions

The reason, a shock wave from a supernova seems to produce relatively few high mass O and B stars compared to the lower mass A, F, G, and K stars.

Solution Summary: The author explains that a supernova shock wave produces relatively few high mass O and B stars compared to the lower mass A, F, G, and K stars.

Concept explainers

To explain: The reason, a shock wave from a supernova seems to produce relatively few high mass O and B stars compared to the lower mass A, F, G, and K stars.

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Chapter 18 Solutions

To explain:

The reason, a shock wave from a supernova seems to produce relatively few high mass O and B stars compared to the lower mass A, F, G, and K stars.