| December 18,
2009 |
Two Solstices |
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| December 11,
2009 |
Solstice and Sunset |
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| December 4,
2009 |
Thermal Inversion |
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| November 20,
2009 |
Zone Refining |
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| November 13,
2009 |
Star Trails |
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| November 6,
2009 |
Galileo's Experiment |
 |
| October 30,
2009 |
Spider's Rainbow |
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| October 16,
2009 |
Trifid Nebula |
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| October 9,
2009 |
2009 Nobel Prize in Physics |
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| October 2,
2009 |
Wobbling Moon |
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| September
25, 2009 |
Tall Trees and Water |
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| September
19, 2009 |
Horsepower |
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| September
11, 2009 |
Miniture Spider Web |
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| September 4,
2009 |
Victoria Glacier |
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| August 28,
2009 |
Capillary Action |
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| May 8, 2009 |
Polarized Sky |
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| May 1, 2009 |
Coriolis Effect |
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| April 24,
2009 |
Orion Nebula - Color |
 |
| April 17,
2009 |
2 Storms |
 |
| April 10,
2009 |
Contrasts in Geology |
 |
| April 3, 2009 |
Horsehead Nebula |
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| March 27,
2009 |
Venus |
 |
| March 13,
2009 |
Sun Pillar |
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| March 06,
2009 |
The Crab Nebula |
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| February 27,
2009 |
Comet Lulin |
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| February 20,
2009 |
Levitating Magnet |
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| February 13,
2009 |
Simple Magnifier |
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| February 6,
2009 |
Sculpted Snow Dune |
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| January 30,
2009 |
Thermite |
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| January 23,
2009 |
Orion Nebula |
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