orbital slots due to Tongasat's efforts. In 2002, Tongasat launched the Esiafi 1 satellite; as of 2015, a satellite in its spot was still in operation....
12 KB (1,287 words) - 22:03, 25 April 2024
started its own satellite telecommunication service when it obtained the Esiafi 1 (former private American Comstar D4) satellite (launched in 1981) that...
3 KB (259 words) - 16:50, 5 July 2024
Jonathan's Space Page. Retrieved 1 May 2013. Zak, Anatoly. "Sputnik's Mission". RussianSpaceWeb. Retrieved 4 March 2013. "Explorer 1". Milestones of Flight. Smithsonian...
41 KB (564 words) - 03:47, 19 September 2024
Some of these satellites are separated from each other by as little as 0.1° longitude. This corresponds to an inter-satellite spacing of approximately...
67 KB (729 words) - 18:39, 14 September 2024
1981 in spaceflight (section STS-1)
The following is an outline of 1981 in spaceflight. STS-1 (Space Transportation System-1) was the first orbital spaceflight of NASA's Space Shuttle program...
143 KB (295 words) - 10:01, 19 July 2024