Centuries-Old Star Mystery Coming to a Close

This is an artistic rendering of the epsilon A...

Artistic rendering of e-Aurigae system.

The bright star Epsilon Aurigae, visible to the naked eye in the northern hemisphere, has long puzzled scientists because of a 27-year cycle of dimming and brightening. This suggested that it was an eclipsing binary system. However, the spectral signature of the bright component, suggesting that it was a supermassive giant star, made it difficult to build a model that would account for what might be eclipsing it. Now, the NASA Spitzer Space Telescope may have put the mystery to rest with some ingenious observation techniques.

[Does anyone, apart from my friend abby, whom I have to thank for sending me many such links, enjoy these arcane astronomical items?]

9 thoughts on “Centuries-Old Star Mystery Coming to a Close

  1. Eliot,

    I’m also fascinated by science news like this.

    Count me in with Ray L.

    @joely

    Like

  2. Came for the psychology, stayed for the astronomy (and holiday arcana, social commentary, musical and poetical offerings…).

    Like

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