This Day In Astro History

nikolaus kopernickus
Nicolas Copernicus 

February 19

2007 - International Heliophysical Year begins.

2002 - First image  from Mars Odyssey visible light camera THEMIS is a Martian region known as Acheron Fossae.

1924 - Edwin Hubble writes to Harlow Shapely "You will be interested to hear that I have found a Cephid variable in the Andromeda Nebula."

1473 - Nicolas Copernicus Birthday. Said to be the founder of modern astronomy. In 1530, he completed and gave to the world his great work De Revolutionibus, which asserted that the earth rotated on its axis once daily and traveled around the sun once yearly.
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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