8 November
1656: On 8 November 1656, Sir Edmond Halley was born.Halley was an English scientist who calculated that the comet of 1682 was periodic. Using historical records, his own observations, and ...
27 FÉVR. 2004
Date de publication
1709
Vues
1934: On 9 November 1934, American astronomer Carl Sagan was born.
Sagan contributed to the discovery that the atmosphere of Venus is prohibitively hot and dense, and found evidence that Saturn's moon Titan contains oceans stocked with the building blocks of life.
He was an outspoken proponent of the search for extra-terrestrial life, including sending probes to other planets and listening with large radio telescopes for signals from intelligent aliens.
Modal média
7 November
1918: On 7 November 1918, US rocket pioneer Robert H. Goddard demonstrated a tube-launched solid propellant rocket, using a music stand as his launching platform.Goddard began work for the Army ...
6 November
2003: On 6 November 2003, it was announced that the massive solar X-ray flare which occurred on 4 November 2003 was, at best estimate, an X28.X-class flares are big; they ...
5 November
1992: On 5 November 1992, Jan Hendrik Oort died.Oort was a Dutch physicist and astronomer, one of the most important figures in 20th-century efforts to understand the nature of the ...
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