Astronomers think a hot young star enshrouded in a wide dust disk passes in front of Epsilon Aurigae every 27 years. John D. Monnier, University of Michigan Q: Every 27 years, a two-year eclipse of Epsilon Aurigae occurs. Do scientists know what causes it? James McArdle Renton, Washington A: Yes, astronomers have confirmed that theContinue reading "Why does this weird star dim every 27 years?"
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