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December 30, 2009
- Windstreaks
- Winter High School Alumnus in Orbit on Space Station Will Talk with Wisconsin Students, State Representative
- Clouds and Sunlight
- North Sentinel Island, Andaman Sea
- Pioneers 6-13
- Suzaku Finds ‘Fossil’ Fireballs from Supernovae
- Beyond Bright Rings
- Cassini Top 10 Science Highlights – 2009
- Mayon Volcano Threatens Major Eruption