17 March
2004: On 17 March 2004, Francois Lebrun (CEA Saclay, Gif sur Yvette, France) and his collaborators reported in Nature, the discovery of gamma-ray sources towards the direction of the Galactic centre by ESA's Integral spacecraft.
31 DÉC. 2003
Date de publication
2773
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1965: On 18 March 1965, the first spacewalk took place.
Voskhod 2 launched into space carrying Aleksey Leonov and Pavel Belyayev aboard. On the second orbit Leonov left the spacecraft through the air lock while still tethered to the vessel. He was the first person to climb out of a spacecraft in space. While outside, he took motion pictures and practiced moving outside of the spacecraft for 10 minutes.
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