The luminosity of the Sun

  1. The red giant branch is nearly vertical on the H-R diagram because:Group of answer choices The luminosity and the temperature
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  2. 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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    2. Landon Sharp asked by Landon Sharp
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  3. Which of the following pairs of terms directly relates to the actual brightness of a star?* absolute magnitude and luminosity
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    2. qr3ty asked by qr3ty
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  4. Which show the stars in the correct order, from lowest luminosity to highest luminosity?Sun white dwarf red supergiant
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  5. 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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    2. Mark asked by Mark
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  6. 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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    2. E asked by E
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  7. 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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    2. qwerty asked by qwerty
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  8. The peak luminosity of a white dwarf supernova is around 10^10LSun and it remains above 10^8LSun for about 150 days. In
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    2. Landy asked by Landy
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  9. 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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    2. Tsambikos asked by Tsambikos
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  10. How is a Cepheid variable star identified?Question 14 options: A) Its brightness appears to change during transit. B) It's being
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