 | Double Star mission operated alongside Cluster II from 2004 to 2007. The four identical Cluster II satellites study the impact of the Sun's activity on... 142 KB (12,686 words) - 15:27, 22 April 2024 |
 | Local Group (redirect from Local Cluster) 1012 solar masses each. Each has its own system of satellite galaxies: The Andromeda Galaxy's satellite system consists of Messier 32 (M32), Messier 110... 43 KB (2,406 words) - 09:06, 30 April 2024 |
 | active galactic nucleus. Galaxies can also have satellites in the form of dwarf galaxies and globular clusters. The constituents of a galaxy are formed out... 29 KB (1,594 words) - 13:53, 26 March 2024 |
 | gravitationally bound to the Sun. While most satellite galaxies are dwarf galaxies, satellite galaxies of large galaxy clusters can be much more massive. The Milky... 33 KB (4,492 words) - 04:48, 8 April 2024 |
three formations possible: trailing, cluster, and constellation. Trailing formations are formed by multiple satellites orbiting on the same path. Each one... 5 KB (466 words) - 13:21, 5 October 2023 |
Ariane flight V88 (redirect from Cluster (spacecraft)) on 4 June 1996. It carried the Cluster spacecraft, a constellation of four European Space Agency research satellites. The launch ended in failure due... 14 KB (1,522 words) - 15:07, 8 February 2024 |
 | Pleiades (redirect from Pleiades Open Cluster) Berenices cluster, etc.). Measurements of the distance have elicited much controversy. Results prior to the launch of the Hipparcos satellite generally... 45 KB (4,998 words) - 14:55, 1 May 2024 |
 | Lists of astronomical objects (section Star clusters) quasars Satellite galaxies List of satellite galaxies of the Milky Way List of Andromeda's satellite galaxies List of Triangulum's suspected satellite galaxies... 7 KB (519 words) - 19:54, 20 February 2024 |
 | Star clusters are large groups of stars held together by self-gravitation. Two main types of star clusters can be distinguished: globular clusters are... 21 KB (2,538 words) - 15:41, 22 April 2024 |
consisted of two satellites: an Equatorial satellite (TC-1) and Polar satellite (TC-2). Double Star followed in the footsteps of ESA's Cluster mission by studying... 7 KB (447 words) - 00:02, 22 March 2024 |