30 November
1609: On 30 November 1609, Galileo Galilei used his telescope for the first time to study the Moon.
31 DIC. 2003
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1960: On 1 December 1960, Pchelka (Little Bee) and Mushka (Little Fly) were launched aboard the Soviet Sputnik 6 mission.
The launch was perfect and the dogs spent a day in orbit. There were problems with the retrofire burn and the re-entry angle was too steep. The rocket and its passengers were burned up in Earth's atmosphere.
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1935: On 1 December 1935, Bernhard Voldemar Schmidt died.
He was an Estonian-born astronomer and optical instrument maker who invented the telescope named after him. In 1929, he devised a new mirror system for reflecting telescopes which overcame previous problems of aberration of the image. He used a vacuum to suck the glass into a mold, polishing it flat, then allowing in to spring back into shape. The Schmidt telescope is now widely used in astronomy to photograph large sections of the sky because of its large field of view and its fine image definition.
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29 November
1866: On 29 November 1866, Ernest Brown was born.Brown was a British astronomer who devoted his career to the theory of the Moon's motion and constructing accurate lunar tables. He ...
28 November
1964: On 28 November 1964, the NASA Mariner 4 spacecraft gave scientists their first glimpse of Mars at close range.Mariner 4 was the fourth in a series of spacecraft used ...
27 November
1875: On 27 November 1875, Richard Christopher Carrington died.Carrington was a British astronomer who, by observing the motions of sunspots, discovered the equatorial acceleration of the Sun; i.e., that it ...
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