10 November
1861: On 10 November 1861, Robert Thorburn Ayton Innes was born.Innes was a Scottish astronomer who was invited by David Gill to the Cape Observatory, South Africa in 1894. He ...
27 FEB. 2004
Data publicării
1026
Vizualizări
1572: On 11 November 1572, the Danish astronomer Tycho Brahe first observed a 'new star', (B Cassiopeiae or Nova Cassiopeiae 1572), one of the few recorded supernovae in the Milky Way.
From his precise measurements Brahe showed that it was not merely a nearby object, such as a comet, but was in fact at the great distance of the stars. Thus, he demonstrated that the stars were not unchangeable, and that real changes could indeed occur among them.
A 'supernova' is the violent, sudden explosion of a star. At its brightest, Brahe's star was visible to the eye by daylight.
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9 November
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 ...
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 ...
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 ...
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