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Stargazing Tip for May 9
The Moon, Mars, and Gemini are high in the west at nightfall. Mars is to the upper left of the Moon, with the "twin" stars of Gemini, Pollux and Castor, to its upper right. Pollux is the brighter of the two and, like Mars, shines orange.
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Helix Nebula (NGC 7293)  The Helix Nebula is a wreath placed by nature around a dying star. Nearing the end of its life and running out of nuclear fuel, the star in the center of the nebula has blown off its outer atmosphere, as shown by this McDonald Observatory image. 8x10 inches, color. (Tom Montemayor)
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