Thursday, January 1, 2015

December 31 Winter Maker Commands the Sky

The Ojibwe call Orion the winter maker, rising into view on November nights and lording over the rest of the sky. By now, Orion is visible just after sunset until about 2:00 AM. Look for it in the southeast, with the three stars of its belt being an easy identifier. The star in Orion's right shoulder, Betelgeuse, is the 8th brightest star in the night sky, and appears red because its a supergiant set to supernova soon. That means it's likely to explode in the next million years. Rigel, the left foot, is the 6th brightest star in the night sky, and 40,000 times as bright as the sun!

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