18 August
1999: On 18 August 1999, the NASA/ESA/ASI Cassini-Huygens spacecraft said goodbye to Earth as it completed a highly accurate pass by our planet and swung away towards its encounter with ...
27 HELMI. 2004
Julkaisupäivä
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Katselukerrat
2000: On 19 August 2000, the second payload of the ESA's Cluster mission was launched aboard a Russian Soyuz rocket from Baikonur, Kazakhstan.
Cluster is a collection of four spacecraft flying in formation around the Earth, relaying the most detailed ever information about how the solar wind affects our planet in three dimensions. The solar wind (the perpetual stream of subatomic particles given out by the Sun) can damage communications satellites and power stations on the Earth.
Mediamodaali
17 August
1877: On 17 August 1877, the American astronomer Asaph Hall discovered Phobos, a moon of Mars. He also discovered the second moon of Mars, Deimos, in the same year.He named ...
16 August
1920: On 16 August 1920, Sir Joseph Norman Lockyer died.Lockyer was a British astronomer who, in 1868, discovered and named the element helium that he found in the Sun's atmosphere. ...
15 August
1993: On 15 August 1993, after more than three years of efficient and successful operations, communications with ESA's scientific satellite Hipparcos were terminated.The Hipparcos satellite, a purely European undertaking, and ...
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