17 July
1894: On 17 July 1894, Georges Lemaître was born.Lemaître was a Belgian astronomer and cosmologist, born in Charleroi, Belgium. He was also a civil engineer, army officer and ordained priest. ...
27 FÉVR. 2004
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1548
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1997: On 18 July 1997, Gene Shoemaker died.
Shoemaker was an American planetary geologist. Shoemaker initiated and promoted the geology studies of American astronauts that made them able scientific observers and reporters during the Moon landings. He was a major investigator of the imaging by unmanned Ranger and Surveyor satellites which, before any Apollo landing, revealed the nature of the Moon's cover of soil and broken rock that he named the 'regolith'.
He co-discovered Comet P/Shoemaker-Levy 9 which collided with Jupiter in 1994, the first observed collision of two Solar System bodies.
In tribute, a small cask of his ashes was launched in a memorial capsule aboard Lunar Prospector to the Moon.
Modal média
16 July
2000: On 16 July 2000, the first pair of the ESA Cluster flotilla blasted off aboard a Russian Soyuz rocket from Baikonur, Kazakhstan.Cluster is a collection of four spacecraft flying ...
15 July
1943/1967: On 15 July 1943, Susan Jocelyn Bell Burnell was born. In 1967, she celebrated her 24th birthday by discovering the first pulsar, a rapidly spinning neutron star that sends ...
14 July
1965: On 14 July 1965, Mariner 4 flew past Mars, making the first close-up photographs of another planet. The pictures, played back from a small tape recorder over a long ...
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