5 July
1054: On 5 July 1054, a powerful celestial explosion brightened the summer sky. It was the spectacular explosion of a supernova, the violent death of a star that may have ...
27 FEB. 2004
Publicatiedatum
1702
Weergaven
1687: On 6 July 1687, Newton's Philosophiae Naturalis Principia Mathematica (Mathematical Principles of Natural Philosophy) was published for the frist time. This work is often held to represent the culmination of the 'Scientific Revolution', in which science as we know it today was born.
Among the concepts originated by Newton and appearing in the Principia, the most important is that of 'mass,' introduced and named in Definition 1 of the Principia. In this work, he also describes the three 'Laws of Motion,' and also the first appearance in print of Newton's invention of calculus.
1476: On 6 July 1476, Regiomontanus died.
Regiomontanus was a German astronomer and mathematician. In January 1472, he made observations of a comet which were accurate enough to allow it to be identified with Comet Halley comet 210 years later. He also observed several eclipses of the Moon.
His interest in the motion of the Moon led him to make the important observation that the method of lunar distances could be used to determine longitude at sea. However, instruments of the time lacked the necessary accuracy to use the method.
Mediamodaal
4 July
1910: On 4 July 1910, Giovanni Virginio Schiaparelli died.Schiaparelli was an Italian astronomer who is remembered for his observations of Mars. He named the 'seas' and 'continents' of the Red ...
3 July
2003: On 3 July 2003, ESA's Mars Express spacecraft sent images of a unique view of Earth and the Moon. It was one of the first data sets coming from ...
2 July
1985: On 2 July 1985, ESA's Giotto spacecraft was launched on board an Ariane-1 from ESA's spaceport in Kourou, French Guiana.Giotto was ESA’s first deep-space mission. In 1986, it became ...
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