I never knew this, but apparently one of the brighter stars in the sky, Epsilon Aurigae, had a peculiar habit of fading for a short period of time every 27 years. While changes in a star's brightness are normal, regular 27 year variations are peculiar. Go here to read how, using Spitzer observations, astronomers might have just been able to figure out what is going on. Enjoy!
Monday, February 15, 2010
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