17 December
1903: On 17 December 1903, the Wright brothers flew the first flight in an aeroplane.
31 PRO. 2003
Datum vydání
2231
Zobrazení
1958: On 18 December 1958, the world's first communications satellite, SCORE, was launched from Cape Canaveral, United States.
SCORE was an acronym for Signal Communication by Orbiting Relay Equipment. It was an experiment designed to test the feasibility of transmitting messages through the upper atmosphere from one ground station to one or more other ground stations.
The result of the project was a major scientific breakthrough which proved that active communications satellites could provide a means of transmitting messages of all sorts from one point to any other on Earth.
Okno médií
16 December
1826: Giovanni Battista Donati was born.Donati was an Italian astronomer who, on 5 August 1864, was the first to observe the spectrum of a comet (Comet 1864 II). This observation ...
15 December
1612: On 15 December 1612, Simon Marius became the first person to spot another galaxy (Andromeda) through a telescope.Marius was a German astronomer who made observations of the stars and ...
14 December
1546: On 14 December 1546, Tycho Brahe was born.Brahe was a Danish astronomer whose work in developing astronomical instruments and in measuring and fixing the positions of stars paved the ...
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