Events
1862 - Comet Swift-Tuttle is discovered by Lewis Swift.
1945 - Manhattan Project: The Atomic Age begins when the United States successfully detonates (see above) a plutonium-based test nuclear weapon at the Trinity site near Alamogordo, New Mexico.
1994 - Jupiter is hit by fragments of Comet Shoemaker-Levy 9.
Births
1888 - Frits Zernike, Dutch physicist, Nobel laureate
1926 - Irwin Rose, American biologist, Nobel laureate
Deaths
1916 - Ilya Mechnikov, Russian microbiologist, Nobel laureate
1994 - Julian Schwinger, American physicist, Nobel laureate
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Events
1969 - Apollo Program: Apollo 11 lands on the Moon.
1976 - The Viking 1 lander successfully lands on Mars.
1994 - Comet Shoemaker-Levy 9’s Fragment Q1 hits Jupiter.
Births
1797 - Sir PaweÅ Edmund Strzelecki, Polish explorer and geologist
1822 - Gregor Mendel, father of modern genetics
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Events
1970 - Explorer 1 re-enters the Earth's atmosphere (after 12 years in orbit).
1994 - Bill Kimbel, Don Johanson and Yoel Rak report the finding in Ethiopia of the first fairly complete Australopithecus afarensis skull (AL 444-2, see above)
Births
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2001 - NEAR Shoemaker spacecraft touchdown in the "saddle" region of 433 Eros becoming the first spacecraft to land on an asteroid.
Births
1637 - Jan Swammerdam, Dutch scientist
1665 - Rudolf Jakob Camerarius, German botanist and physician
1785 - Pierre Louis Dulong, French physicist
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It's hideous...