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A variable star is one

A variable star is one whose brightness alternately increases and decreases. Lists of variable stars canbe found online, and
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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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A variable star is one whose brightness alternately increases and decreases. For one such star, the time between periods of
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2. asked by TayB
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A variable star is one whose brightness alternately increases and decreases. For one such star, the time between periods of
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2. asked by TayB
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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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A variable star is one whose brightness alternately increases and decreases.For the variable star Delta Cephei, the time between
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2. asked by Jo
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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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What determines whether a star will end its life cycle as a black hole or neutron star or as a white dwarf?(1 point) Responses
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2. asked by wiggle
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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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The current stage of life of a star is found through a combination of what following characteristics of the star?A. Size (or
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