... shoulders. The name "Betelgeuse- is usually translated as the "armpit of the Giant."" Rigel is a bluish-white super, giant star that marks one of Orion's feet. It's luminosity us about 57,000 times the brightness of the sun. Orion is known as the son of Neptune in Greek mythology and was killed by the scorpion. Outlined mostly by three stars below his belt is his ... star with approximately 150,000 times the Sun's luminosity. Betelgeuse varies in brightness with a period of 6.4 years. Its mean density is extremely low, less than one-millionth the density of water, and the low surface gr...

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• Grade Level: High School