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Star A is four times

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. asked by Mark
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Star A has 4 times the surface temperature and 0.7 times the radius of Star B. What is the ratio of the luminosity of Star A to
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2. asked by nava
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Star A has 3 times the surface temperature and 0.6 times the radius of Star B. What is the ratio of the luminosity of Star A to
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2. asked by Xenon
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Given the following images, choose the one that most likely represents an O-class star.Star A is a yellow star. Star B is a blue
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2. asked by Oscar
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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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2. asked by Mark
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The star has a mass n_1 times that of the planet, which orbits this star. For a person on the planet, the average distance to
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2. asked by Tifani
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The star has a mass n_1 times that of the planet, which orbits this star. For a person on the planet, the average distance to
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2. asked by Bobby
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which of the following can help astronomers detect if a star is part of a binary star systemA. the star varies temperatures near
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2. asked by ♡school lover♡
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In general, the narrower the spectral line of a starA.the hotter the star is B.the bigger the star is C.the denser the star is
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2. asked by Liz
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In general, the narrower the spectral line of a starA.the hotter the star is B.the bigger the star is C.the denser the star is
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2. asked by Liz
3. 962 views