30 March
239 BC: On 30 March 239 BC, the first recorded passage of Halley's Comet was observed by Chinese astronomers in the Shih Chi and Wen Hsien Thung Khao chronicles.
02 FÉVR. 2005
Date de publication
1164
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1997: On 31 March 1997, Lyman Spitzer died.
Spitzer was an American astrophysicist who advanced knowledge of physical processes in interstellar space and pioneered efforts to harness nuclear fusion as a clean energy source.
Spitzer was the first person to propose the idea of placing a large telescope in space and was the driving force behind the development of the Hubble Space Telescope.
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29 March
1974: On 29 March 1974, the first probe to Mercury, Mariner 10, arrived at the planet.
28 March
1807: On 28 March 1807, Vesta 4, the only asteroid visible to the naked eye, thus the brightest on record, was first observed by the German astronomer Heinrich Wilhelm Olbers.
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