28 August
1789: On 28 August 1789, Sir William Herschel discovered Saturn's moon Enceladus.Enceladus is one of the innermost moons of Saturn. It reflects almost 100 percent of the sunlight that strikes ...
27 FÉVR. 2004
Date de publication
990
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1965: On 29 August 1965, astronaut Gordon Cooper in orbit 160 kilometres above Earth aboard the NASA spacecraft Gemini 5 held a conversation with aquanaut M. Scott Carpenter in Sealab II which was 75 metres below the surface of the Pacific Ocean. It was the first time an astronaut in space spoke with an aquanaut under water.
Gemini 5 splashed down later in the day.
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27 August
1962: On 27 August 1962, the NASA Mariner 2 spacecraft was launched sending it on a three-and-a-half month flight to Venus. The first spacecraft to fly by another planet, Mariner ...
26 August
1822: On 26 August 1865, Johann Encke died.Encke was a German astronomer who found the period of Encke's Comet to be just over three years. This is the shortest period ...
25 August
1822: On 25 August 1822, Sir William Herschel died.Herschel, whose original name was Friedrich Wilhelm Herschel, was a German-born English astronomer, the founder of sidereal astronomy, the systematic observation of ...
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