3 June
1997: On 3 June 1997, ESA astronomers announced that they had measured the physical width of a mass of gas swirling into a black hole. This was the first time ...
27 FEB. 2004
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1996: On 4 June 1996, the first four of ESA's Cluster spacecraft were destroyed when the Ariane-5 rocket exploded during its maiden launch. Engineers built three new Cluster spacecraft while the fourth was constructed out of spare parts.
ESA launched the new spacecraft four years later in 2000. The Cluster spacecraft are currently studying the interaction between solar activity and the near-Earth space environment.
1754: On 4 June 1754, Franz Xaver von Zach was born. He was a German-Hungarian astronomer and director of the Gotha Observatory between 1787 and 1806. There he formed a group of 24 astronomers chosen from throughout Europe to track down a 'missing' planet between the orbits of Mars and Jupiter. Instead they discovered the asteroid belt.
780 BC: On 4 June 780 BC, the first total solar eclipse reliably recorded by the Chinese was seen.
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2 June
2003: On 2 June 2003, the European Mars Express spacecraft was launched on its way to the Red Planet.The spacecraft was built on ESA’s behalf by a European team led ...
1 June
1937: On 1 June 1937, Theodore von Kármán, Director of the Guggenheim Aeronautical Laboratory at the California Institute of Technology at Pasadena, United States established a group that began experiments ...
31 May
1996: On 31 May 1996, the NASA/ESA Hubble Space Telescope (Wide Field Planetary Camera 2) made an image which was combined with one taken at the ESO Very Large Telescope ...
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