Answering a 190-year old astronomical question

Apr 19th, 2010

Tags: @brief, disk, light

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Epsilon Aurigae was first given serious, systematic, scientific scrutiny in 1821. Early modern astronomers correctly classified it as an eclipsing binary variable star, with an invisible partner that will periodically dim the light as it eclipses the main star from the perspective of Earth. This happens every 27 years, and Epsilon Aurigae’s apparent brightness drops for a period of more than a year.

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ArsTechnica

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