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405th Anniversary of Galileo's Telescope: Looking Back on How Past Innovation Influenced the Future of Astronomy

Dr. Patrick McCarthy | Posted 10.27.2014 | Science
Dr. Patrick McCarthy

Four hundred five years ago this week, Galileo Galilei demonstrated his new telescope to members of the Venetian senate in the Plaza San Marco. This presentation on Aug. 25, 1609, marks the birth of the astronomical telescope and the launching of a scientific revolution.

Mirror, Mirror... And Now, Mirror!

Wendy L. Freedman | Posted 02.09.2014 | Science
Wendy L. Freedman

The milestone of our third mirror captures more than a moment in time, it heralds a rapidly approaching period of discovery.

Saudis Want 'Mecca Time' To Replace GMT | Posted 05.25.2011 | World

For centuries, an astronomy observatory in Greenwich, London -- the namesake of Greenwich Mean Time -- has been the reference point for lines of longi...