This Day In Astro History


Images of Saturn's Moon Iapetus
Images of Saturn's moon Iapetus taken from Cassini spacecraft.

October 25

1935 - Birthday, Rusty Schweickart, American Astronaut who was the Lunar Module pilot on Apollo 9.

1877 -Birthday, Henry Norris Russell, American pioneer in establishing the modern field of astrophysics. The namesake for the American Astronomical Society's highest award (for a lifetime contribution to the field), Russell is the "R" in "H-R  diagram", which he first used in a 1914 paper. (Ejnar Hertzsprung, see above, is the "H".) He died in 1957.

1671 - Giovanni Cassini discovers Saturn's moon Iapetus.
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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