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Sirius A and B are two stars at the same distance from the Earth. In this binary system, Sirius A is ...

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Sirius A and B are two stars at the same distance from the Earth. In this binary system, Sirius A is ...

Sirius A and B are two stars at the same distance from the Earth. In this binary system, Sirius A is much brighter but Sirius B is much hotter. From this information, what can you conclude about the two stars?

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Sirius B must be much smaller than Sirius A.

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Sirius B must be much larger than Sirius A.

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Sirius B must be much more massive than Sirius A.

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Sirius B must be much less massive than Sirius A.

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ASTRO

Edition: 3^rd

Authors: Ghose, Milosevic-Zdjelar, Read

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Brilliant ツ

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