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Space History for March 11

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1890
Born, Vannevar Bush, developed the first electronic analog computer
https://en.wikipedia.org/wiki/Vannevar_Bush

1893
A. Charlois discovered asteroids #360 Carlova and #361 Bononia.

1907
J. H. Metcalf discovered asteroid #637 Chrysothemis.

1913
Born, Boris Nikolayevich Petrov, Russian scientist, Institute of Control Problems Department Chief (1951-1980), senior academician in the Soviet Academy of Science, chair of the Inter-Cosmos Council, promoted eastern Europe space cooperation (1966-1980)
https://encyclopedia2.thefreedictionary.com/Boris+Petrov

1918
M. Wolf discovered asteroid #890 Waltraut.

1920
Died, Julio Garavito Armero, Colombian astronomer (celestial mechanics)

Julio Garavito Armero (5 January 1865 - 11 March 1920) was a Colombian astronomer. He was a child prodigy in science and mathematics, and obtained degrees in mathematics and civil engineering. As an astronomer at the Observatorio Astronomico Nacional (National Astronomical Observatory) in Columbia, his researches included calculating the latitude of Bogota, studies about the comets which passed the Earth between 1901 and 1910 (such as Comet Halley), and the 1916 solar eclipse (seen in the majority of Colombia). The most widely important aspects of his studies were about celestial mechanics, Lunar fluctuations and their influence in weather, floods, polar ice, and Earth's orbital acceleration.

1921
Died, Sherburne W. Burnham, US astronomer (cataloged binary stars)
https://en.wikipedia.org/wiki/Sherburne_Wesley_Burnham

1921
M. Wolf discovered asteroid #949 Hel.

1924
M. Wolf discovered asteroid #1021 Flammario.

1942
Y. Vaisala discovered asteroid #1656 Suomi.

1950
Died, Arthur J. Dempster, Canadian-American physicist best known for his work in mass spectrometry and his discovery of uranium-235
https://en.wikipedia.org/wiki/Arthur_Jeffrey_Dempster

1956
Born, Curtis L. Brown Jr. (at Elizabethtown, North Carolina, USA), Colonel USAF, NASA astronaut (STS 47, STS 66, STS 77, STS 85, STS 95, STS 103; 57d 17h total time in spaceflight)

Astronaut Curtis L Brown Jr., NASA photo (2 April 1997)
Source: Wikipedia (spaceflight.nasa.gov killed 25 Feb 2021)
https://en.wikipedia.org/wiki/Curtis_Brown

1960 13:00:00 GMT
NASA launched Pioneer 5 into a Solar orbit between Earth and Venus, it became the first probe to approach near Venus.
https://nssdc.gsfc.nasa.gov/nmc/spacecraft/display.action?id=1960-001A

1971
Died, Philo T. Farnsworth, US inventor (all-electronic television, and a small nuclear fusion device, the Farnsworth-Hirsch fusor)
https://en.wikipedia.org/wiki/Philo_Farnsworth

1986
The Japanese probe Sakigake flew past Comet Halley on the sunward side at a distance of approximately 6.8 million km.
https://nssdc.gsfc.nasa.gov/nmc/spacecraft/display.action?id=1985-001A

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