Tuesday, October 6, 2009

Mars slides past Castor and Pollux


The Red Planet, Mars, moves across the constellation Gemini this month. It is currently creeping below its brighter stars, Castor and Pollux, taking several days to eventually form a straight line with them. Mars will be the brightest of the three. The moon moves into the area on October 11 and 12, helping to positively identify Mars.

Look high in the south at 6:00 a.m. for this scene. Over the next three months, Mars grows brighter and rises much earlier. By January it will be one of the brightest objects in the evening sky.

Such is our view from Earth ...

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