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Two Columns

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Four Years of South Polar Changes
9.20.05 -- A series of images from NASA's Mars Global Surveyor show that for three Mars summers in a row, deposits of frozen carbon dioxide near Mars' south pole have shrunk from the previous year's ize, suggesting a climate change is in progress.
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NASA's Orbiting Earth-Observing Fleet
9.2.05 -- NASA's Earth-observing fleet of spacecraft constitutes a major milestone in the history of Earth science, facilitating pioneering research endeavors that until the last decade have been impossible to even consider. See the orbits of this fleet as they circle the globe.
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Record Low Arctic Sea Ice in June 2005
7.26.05 -- Except for a small area in the East Greenland Sea, Arctic sea ice has retreated almost everywhere in June 2005. This month, which marks the start of the Arctic melt season, set a new record low.
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