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Vote Now! Top Space Stories of the Week - Dec. 2, 2012

It's Official! Water Ice Discovered on Mercury

NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington/National Astronomy and Ionosphere Center, Arecibo Observatory

The MESSENGER spacecraft has found evidence of frozen water and organic materials in areas of permanent shadow on the planet Mercury. [Full Story]

NEXT: North Star Closer to Earth Than Thought

North Star Closer to Earth Than Thought

Left image: M. Menefee; Right: N. Carboni; Assembly: D. Majaess

The famed North Star has been a beacon in the night sky throughout human history, but a new study reveals the star is actually closer to our solar system than previously thought. [Full Story]

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