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The luminosity of the Sun
The red giant branch is nearly vertical on the H-R diagram because:
Group of answer choices The luminosity and the temperature
1 answer
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Question: According to the video, how did Hertzsprung and Russell set up their data chart for star evolution?
(1 point) Responses
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Landon Sharp
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Which of the following pairs of terms directly relates to the actual brightness of a star?
* absolute magnitude and luminosity
1 answer
asked by
qr3ty
53 views
Which show the stars in the correct order, from lowest luminosity to highest luminosity?
Sun white dwarf red supergiant
1 answer
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Star A has a parallax angle that is 2 times bigger as star B. They both appear to be the same brightness, how does the
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asked by
Mark
98 views
The luminosity of a star can be calculated by using the following equation.
L=4pir^2ot^4 In the luminosity equation, represents
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asked by
E
130 views
The star Polaris has a surface temperature of roughly 6500 K and a radius of approximately 50 solar radii. Find the luminosity
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asked by
qwerty
2,622 views
The peak luminosity of a white dwarf supernova is around 10^10LSun and it remains above 10^8LSun for about 150 days. In
1 answer
asked by
Landy
1,792 views
The luminosity of the Sun is 4*10^33 erg/s, and its radius is 7*10^10 cm.
What is the flux of sunlight on the Earth? i answer
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asked by
Tsambikos
792 views
How is a Cepheid variable star identified?
Question 14 options: A) Its brightness appears to change during transit. B) It's being
1 answer
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