8 August
1989:On 8 August 1989, ESA launched its Hipparcos mission. Hipparcos pinpointed the positions of one hundred thousand stars. It turned slowly on its axis and repeatedly scanned right around the ...
27 FÉVR. 2004
Date de publication
1085
Vues
1975:On 9 August 1975, ESA launched COS-B. COS-B was the first ESA mission to study gamma-ray sources. Its results created a catalogue of these sources, known as the 2CG catalogue, and a complete gamma-ray map of the disc of our Galaxy, the Milky Way.
Cos-B, one of the most successful space missions ever, had no optical telescopes or complicated scientific instrumentation (though the central spark chamber was a significant technical achievement). It had one function - pointing in the direction of a star or other object and measuring its gamma-ray emissions.
Modal média
7 August
2000:On 7 August 2000, astronomers from the University of Texas and other members of an international planetary research team discovered a new gas planet in a solar system only 10.5 ...
6 August
1879:On 6 August 1879, Scottish-born German astronomer Johann von Lamont died.Von Lamont was born on 13 December 1805, and was noted for discovering in 1852 that the magnetic field of ...
5 August
2000: On 5 August 2000, the NASA/ESA Hubble Space Telescope witnessed the break up of Comet Linear 1999/S4.This image gave astronomers a close-up look at what may be the smallest ...
Partager cette page
rester informé
Abonnez-vous à notre newsletter pour recevoir les dernières actualités, les mises à jour des missions et des informations exclusives directement dans votre boîte de réception. Soyez parmi les premiers informés de nos prochains projets et avancées.