Events
2006 - The New Horizons probe is launched by NASA on the first mission to Pluto.
Births
1851 - Jacobus Kapteyn, Dutch astronomer
Deaths
1878 - Henri Victor Regnault French physicist and chemist
1954 - Theodor Kaluza, German scientist
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Events
1925 - Scopes Trial: In Dayton, Tennessee, high school biology teacher John T. Scopes is found guilty of teaching evolution in class and fined $100.
1969 - Neil A. Armstrong and Edwin "Buzz" Aldrin become the first men to walk on the Moon, during the Apollo 11 mission.
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Events
1896 - Henri Becquerel discovers radioactivity.
1966 - Venera 3 crashes on Venus becoming the first spacecraft to land on another planet.
1980 - Voyager 1 probe confirms that Janus (moon of Saturn) exists.
Births
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Events
1178 - Five Canterbury monks see what was possibly the Giordano Bruno crater being formed.
1858 - Charles Darwin receives from Alfred Russel Wallace a paper that included nearly identical conclusions about evolution as Darwin’s own. This prompts Darwin to publish his theory.
1983 - STS-7…
Events
1609 - Galileo Galilei demonstrates his first telescope to Venetian lawmakers.
1894 - Shibasaburo Kitasato discovers the infectious agent of the bubonic plague and publishes his findings in The Lancet.
1981 - Voyager 2 spacecraft makes its closest approach to Saturn
1989 - Voyager 2…