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 ...
27 FEB. 2004
Publicatiedatum
1385
Weergaven
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 Newton's universal law of gravitation, he reasoned that the comets which had appeared in 1456, 1531, 1607, and 1682, were one and the same. He then predicted the comet's return about every 76 years. Although Halley died in 1742, the comet reappeared 16 years later, and today bears his name.
He also encouraged his friend, Isaac Newton, to publish his famous work on calculus, gravity, and the laws of motion.
Mediamodaal
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 ...
4 November
2003: On 4 November 2003, sunspot region 10486 released a massive solar flare, bigger than anything yet seen in recorded observational history.The flare saturated the X-ray detectors on several monitoring ...
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