2 October
1920: On 2 October 1920, Giuseppe (Bepi) Colombo was born.He was an Italian mathematician and engineer whose bald head and grey moustache were familiar in the corridors of both ESA ...
27 FEB. 2004
Veröffentlichungsdatum
765
Aufrufe
1932: On 3 October 1932, Maximilian (Max) Wolf died.
Wolf was a German astronomer who founded and directed the Königstuhl Observatory. He used wide-field photography to study the Milky Way and used statistical treatment of star counts to prove the existence of clouds of dark matter. He was among the first astronomers to show that the spiral nebulae have absorption spectra typical of stars and thus differ from gaseous nebulae.
His most important contribution was the introduction of photography to discover hundreds of asteroids, the first of which he named Brucia in honor of the donor of his 16-inch double telescope, Catherine Wolfe Bruce.
Medien-Modal
1 October
1958: On 1 October 1990, Jean-Marie Luton became Director General of ESA.He was the fourth Director General of ESA, succeeding Prof. Dr Reimar Lüst, and serving until 1997. Prior to ...
30 September
1951: On 30 September 1676, the Danish astronomer Ole Rømer announced that the 9 November eclipse of Io by Jupiter would occur 10 minutes later than that predicted. He was ...
29 September
1951: On 29 September 1951, US astronomer Seth Nicholson discovered Ananke, the twelfth satellite of Jupiter.As a graduate student at the University of California he was photographing the recently-discovered eighth ...
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