Universe - Text Only (Looseleaf)
11th Edition
ISBN: 9781319115012
Author: Freedman
Publisher: MAC HIGHER
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Chapter 16, Problem 35Q
To determine
To explain: The reason behind the often use of
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The temperature of the sun is approximately 5800 K and the temperature of the star Sirius A, the larger star of the Sirius via art, is approximately 10,000 K. The luminosity of Sirius A is about 33 times than Sun. The radiation law gives L=4(3.14) R^2 a T^4
By taking the ratio of the luminosities of Sirius A to the Sun, the relative values of luminosity and temperature can be used to determine the relative value of radius.
What is the multiples of the Sun’s radius?
10:49
LTE O
< All iCloud
Imagine that you are observing a star and you
find the
wavelength of peak emission for the star to be
400 nm.
What would the wavelength of peak emission
be for a
new star that has a surface temperature that
is a
quarter of the original star?
Using the same pair of stars from the first
question,
●
how does the luminosity (the energy output) of
each
star compare if we assume that both stars are
the
same size? (Please provide a specific factor or
proportion)
What type of radiation/light (from the
electromagnetic
spectrum) is each star emitting?
Now imagine that we determine that the
wavelength of
peak emission of the original star was
determined to
be bluer than it should be based on other
observations. Would this indicate that the star
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moving towards us or away from us relatively
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0
1 Solar constant, Sun, and the 10 pc distance!
The luminosity of Sun is + 4- 1026 W - 4- 1033ergs-1, The Sun is located at a distance of
m from the Earth. The Earth receives a radiant flux (above its atmosphere) of F = 1365W m- 2, also known as
the solar constant. What would have been the Solar contact if the Sun was at a distance of 10 pc ?
1AU 1 1.5-+ 1011
Chapter 16 Solutions
Universe - Text Only (Looseleaf)
Ch. 16 - Prob. 1CCCh. 16 - Prob. 2CCCh. 16 - Prob. 3CCCh. 16 - Prob. 4CCCh. 16 - Prob. 5CCCh. 16 - Prob. 6CCCh. 16 - Prob. 7CCCh. 16 - Prob. 8CCCh. 16 - Prob. 9CCCh. 16 - Prob. 10CC
Ch. 16 - Prob. 11CCCh. 16 - Prob. 12CCCh. 16 - Prob. 13CCCh. 16 - Prob. 14CCCh. 16 - Prob. 15CCCh. 16 - Prob. 16CCCh. 16 - Prob. 17CCCh. 16 - Prob. 18CCCh. 16 - Prob. 19CCCh. 16 - Prob. 1CLCCh. 16 - Prob. 2CLCCh. 16 - Prob. 1QCh. 16 - Prob. 2QCh. 16 - Prob. 3QCh. 16 - Prob. 4QCh. 16 - Prob. 5QCh. 16 - Prob. 6QCh. 16 - Prob. 7QCh. 16 - Prob. 8QCh. 16 - Prob. 9QCh. 16 - Prob. 10QCh. 16 - Prob. 11QCh. 16 - Prob. 12QCh. 16 - Prob. 13QCh. 16 - Prob. 14QCh. 16 - Prob. 15QCh. 16 - Prob. 16QCh. 16 - Prob. 17QCh. 16 - Prob. 18QCh. 16 - Prob. 19QCh. 16 - Prob. 20QCh. 16 - Prob. 21QCh. 16 - Prob. 22QCh. 16 - Prob. 23QCh. 16 - Prob. 24QCh. 16 - Prob. 25QCh. 16 - Prob. 26QCh. 16 - Prob. 27QCh. 16 - Prob. 28QCh. 16 - Prob. 29QCh. 16 - Prob. 30QCh. 16 - Prob. 31QCh. 16 - Prob. 32QCh. 16 - Prob. 33QCh. 16 - Prob. 34QCh. 16 - Prob. 35QCh. 16 - Prob. 36QCh. 16 - Prob. 37QCh. 16 - Prob. 38QCh. 16 - Prob. 39QCh. 16 - Prob. 40QCh. 16 - Prob. 41QCh. 16 - Prob. 42QCh. 16 - Prob. 43QCh. 16 - Prob. 44QCh. 16 - Prob. 45QCh. 16 - Prob. 46QCh. 16 - Prob. 47QCh. 16 - Prob. 48QCh. 16 - Prob. 50QCh. 16 - Prob. 51QCh. 16 - Prob. 52QCh. 16 - Prob. 53QCh. 16 - Prob. 54QCh. 16 - Prob. 55QCh. 16 - Prob. 56QCh. 16 - Prob. 57QCh. 16 - Prob. 58QCh. 16 - Prob. 59QCh. 16 - Prob. 60Q
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