This Day In Astro History

August 18

2009 - Mars Rover Spirit Hits 2,000 Sols. A Martian Day lasts about 40 minutes longer than an Earth Day. Since Spirit's landing in 2004 it has driven 4.8 miles.

1999 - Cassini completes Earth flyby. See .mov file here. (Cassini 3D)

1985 - Suisei launched. Japan's second deep space mission to study Comet Halley.  Cometary water, carbon monoxide and carbon dioxide ions were detected

1868 - Norman Lockyer first sees helium in the Sun's spectrum.
Cassini Earth Flyby
Cassini Earth Flyby

Suisei Launch
Japan's Suisei launched to Comet Halley
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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