Loose Leaf For Explorations: Introduction To Astronomy
9th Edition
ISBN: 9781260432145
Author: Thomas T Arny, Stephen E Schneider Professor
Publisher: McGraw-Hill Education
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Question
Chapter 14, Problem 2QFR
To determine
The stages of evolution of Sun and high-mass star.
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If the Sun expanded to a radius 10 times its current size and its temperature decreased by 55%, how would its luminosity change?
The lowest mass for a true star is 1/12 the mass of the sun. What is the luminosity of this star (in units of the sun’s luminosity) based upon mass luminosity relationship? Use the exponent of 4 for easy calculations instead of 3.9
A star with a radius three times that of the Sun and a surface temperature twice that of the Sun, will have a luminosity _______ times as great as the Sun's luminosity.
Chapter 14 Solutions
Loose Leaf For Explorations: Introduction To Astronomy
Ch. 14 - Prob. 1QFRCh. 14 - Prob. 2QFRCh. 14 - Prob. 3QFRCh. 14 - Prob. 4QFRCh. 14 - Prob. 5QFRCh. 14 - Prob. 6QFRCh. 14 - Prob. 7QFRCh. 14 - Prob. 8QFRCh. 14 - Prob. 9QFRCh. 14 - Prob. 10QFR
Ch. 14 - Prob. 11QFRCh. 14 - Prob. 12QFRCh. 14 - Prob. 13QFRCh. 14 - Prob. 14QFRCh. 14 - Prob. 15QFRCh. 14 - Prob. 16QFRCh. 14 - Prob. 17QFRCh. 14 - Prob. 18QFRCh. 14 - Prob. 19QFRCh. 14 - Prob. 20QFRCh. 14 - Prob. 21QFRCh. 14 - Prob. 22QFRCh. 14 - Prob. 23QFRCh. 14 - Prob. 24QFRCh. 14 - Prob. 1TQCh. 14 - Prob. 2TQCh. 14 - Prob. 3TQCh. 14 - Prob. 5TQCh. 14 - Prob. 7TQCh. 14 - Prob. 8TQCh. 14 - Prob. 9TQCh. 14 - Prob. 10TQCh. 14 - Prob. 1PCh. 14 - Prob. 2PCh. 14 - Prob. 3PCh. 14 - Prob. 4PCh. 14 - Prob. 5PCh. 14 - Prob. 6PCh. 14 - Prob. 7PCh. 14 - Prob. 8PCh. 14 - Prob. 9PCh. 14 - Prob. 1TYCh. 14 - Prob. 2TYCh. 14 - Prob. 3TYCh. 14 - Prob. 4TYCh. 14 - Prob. 5TYCh. 14 - Prob. 6TYCh. 14 - Prob. 7TYCh. 14 - Prob. 8TYCh. 14 - Prob. 9TYCh. 14 - Prob. 10TYCh. 14 - Prob. 11TY
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- A star begins its life with a mass of 5 MSunbut ends its life as a white dwarf with a mass of 0.8 MSun. List the stages in the star’s life during which it most likely lost some of the mass it started with. How did mass loss occur in each stage?arrow_forwardIf the Sun were replaced by a white dwarf with a surface temperature of 10,000 K and a radius equal to Earth’s, how would its luminosity compare to that of the Sun?arrow_forwardWhich stars are associated with a planetary nebula? black holes, neutron star's, white dwarf or main sequence stars?arrow_forward
- Which elements are created in stellar nucleosynthesis? (Select all that apply) - oxygen - helium - calcium - nitrogen -hydrogen -iron -carbonarrow_forwardWhat property of a star had a greater effect on the amount of light emitted—its temperature or its size? (Show how much bigger one effect is than the other)arrow_forwardWhy does lower mass star live longer that a higher mass stararrow_forward
- Compare the following stages in the lives of a human being and a star: prenatal, birth, adolescence/ adulthood, middle age, old age, and death. What does a star with the mass of our Sun do in each of these stages?arrow_forwardThe lowest mass for a true star is 1/12 the mass of the Sun. What is the luminosity of such a star based upon the mass-luminosity relationship?arrow_forward
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