Tuesday, January 15, 2013

Jan. 9, 1643: Astronomer Sees Ashen Light of Venus

Italian astronomer Giovanni Riccioli discovers a faint glow on the night side of the planet Venus. Other astronomers over the ensuing centuries will also observe the Ashen Light, but one of the longest-running mysteries of astronomy still defies conclusive explanations.

Source: http://www.wired.com/thisdayintech/2013/01/jan-9-1643-astronomer-sees-ashen-light-of-venus/

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