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 ...
31 DIC. 2003
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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 determined his tables by analysing 150 years of Greenwich observations, and computed tables accurate to 0.01 arcsec.
After 30 years of work, Brown published his Tables of the Motion of the Moon in 1919. In 1926 Brown published a paper in which he ascribed fluctuations in the Moon's motion to irregular changes in Earth's period of rotation, which has subsequently proved correct.
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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 ...
26 November
1895: On 26 November 1895, Bertil Lindblad was born.Lindblad was a Swedish astronomer who contributed greatly to the theory of galactic structure and motion and to the methods of determining ...
25 November
1895: On 25 November 1895, Claude-Louis Mathieu was born.Mathieu was a French astronomer who worked on the determination of the distances of the stars. He began his career as an ...
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