This Day In Astro History

Mars Orbiter camera takes 100,000 images MOC 100,000th

November 20

2001- Mars Orbiter Camera (MOC) takes 100,000th Image

1998 The first module of the International Space Station, Zarya, is launched.

1889 - Edwin Hubble's Birthday, American astronomer who first identified Cepheid variables in M31, proved the extragalactic nature of the spiral nebulae (galaxies). Building on work by Carl Wirtz, and with Slipher's redshifts, Hubble established the velocity-distance relation for galaxies (Hubble's Law) which demonstrates the universe's expansion.
Courtesy of Archives, California Institute of Technology - Edwin Hubble
Edwin Hubble
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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