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 ...
27 FÉVR. 2004
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1574
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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 of any known comet.
The comet was first discovered in 1786 by Pierre Méchain while searching for comets in the Aquarius region of the sky. Mechain said the comet appeared fairly bright when viewed through a telescope and exhibited a faint, narrow tail. The comet's second discovery was made by Caroline Herschel during a routine sweep for comets in 1795. It was quickly confirmed by her brother William Herschel, who noted it could be seen with the naked eye. The comet's third discovery was made by Jean Louis Pons in 1805.
Encke would ultimately be the first person to recognise that those comets discovered in 1786, 1795 and 1805 were the same comet.
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24 August
2002: On 24 August 2002, the Integral satellite arrived at the Baikonur Cosmodrome after a trip from the ESA test centre in Noordwijk, the Netherlands.The satellite, shipped in two separate ...
23 August
1966: On 23 August 1966, NASA's Lunar Orbiter 1 took the first photograph of Earth from the Moon.The Lunar Orbiter 1 spacecraft was designed primarily to photograph smooth areas of ...
22 August
1989: On 22 August 1989, it was discovered that the planet Neptune had a ring system.Voyager 2 had taken images of Neptune on 20 August 1989, five days before its ...
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