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 ...
27 FÉVR. 2004
Date de publication
1193
Vues
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 Earth fluctuates with a 10.3-year activity cycle, but did not correlate it with the period of the Sun’s sunspot cycle.
From 1 August 1840, Johann von Lamont (as director of the Royal Astronomical Observatory in Munich) started regular and permanent observations of Earth's magnetic field.
1181:On 6 August 1181, a supernova was observed by Chinese and Japanese astronomers.
Modal média
4 August
1969: On 4 August 1969, the US Mariner 7 encountered Mars (Mariner 6 had arrived a few days earlier). The Mariner 6 and 7 spacecraft were designed to fly over ...
3 August
1998: On 3 August contact was re-established with the ESA/NASA SOHO spacecraft following six weeks of silence. Signals sent through the DSN station at Canberra, Australia, were answered at 22:51 ...
2 August
2000: In August 2000, the second pair of ESA’s Cluster spacecraft was being prepared for launch at Europe’s Spaceport in Kourou, French Guiana.On the 2 August 2000, the spacecraft were ...
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.