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Glenn Chaple's Observing Basics: The phases of Venus

January 2009: Begin IYA2009 by replicating Galileo's observations of our "sister planet."
Glenn Chaple
Happy International Year of Astronomy! Capitalizing on the fact that 2009 marks the 400th anniversary of Galileo's earliest telescopic forays into the night sky, the International Astronomical Union (IAU) is promoting a global celebration of astronomy.

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