Topic: solar system

Tuesday, December 22, 2009

At 12:47 pm today, December 21, 2009, winter begins in the Northern Hemisphere. The first day of winter is called the Winter Solstice; likewise, the first day of summer is the Summer Solstice. The word solstice is derived from Latin and means “sun standing still.” On these two days of...

Thursday, April 23, 2009

By David Hagan, Staff Scientist, Physical Sciences   The International Year of Astronomy 2009 (IYA2009) is a celebration of the 400th anniversary of astronomy as a modern science. In 1609, while Virginia’s tiny colony at Jamestown was struggling to survive, Galileo began...

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