Betelgeuse, the most famous red supergiant star and one of the sky's brightest, will disappear for up to 12 seconds during an ultra-rare occultation by asteroid 319 Leona.
One of the brightest stars in the sky will 'blink out' on Dec. 12. Here's how to watch. : Read more
One of the brightest stars in the sky will 'blink out' on Dec. 12. Here's how to watch. : Read more