Thursday, February 11, 2010

Rigel

Rigel, the brightest star of Orion, marks the hunter’s foot. It is to the lower right of Orion’s Belt early this evening. Rigel is a blue supergiant, so it is much bigger and heavier than the Sun. It also is thousands of degrees hotter, so it shines blue-white.

- Quads, hailing from Grand Marsh Observatory atop Elk Castle Hill