This Day In Astro History

December 20

2013 – China successfully launches the Bolivian telecommunications satellite Túpac Katari 1 from the Xichang Satellite Launch Center.

1996 - Death of Carl Sagan in Seattle, WA. Our pale blue dot will miss him forever. "We make our world significant by the courage of our questions and by the depth of our answers." -- Carl Sagan

1904 - Founding of the Mt. Wilson Solar Observatory.

1876 - Birthday, Walter S. Adams, Mt. Wilson astronomer who uncovered the nature of Sirius B, the first known white dwarf star (which was first seen by the famed Alvan Clark in 1862).
Carl Sagan  
Carl Sagan, 
the world's most famous 
and loved astronomer
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It is my conclusion that human evolution and the motions of matter in space are intrinsically linked. The observation and understanding of the complexity of biological history on Earth cannot be complete without the tandem observation and understanding of a dynamic greater cosmos. - SpaceGene