galactic disc (or galactic disk) is a component of disc galaxies, such as spiral galaxies like the Milky Way and lenticular galaxies. Galactic discs consist...
9 KB (1,275 words) - 22:58, 30 July 2024
A disc galaxy (or disk galaxy) is a galaxy characterized by a galactic disc. This is a flattened circular volume of stars that are mainly orbiting the...
2 KB (148 words) - 19:01, 29 September 2023
Spiral galaxy (redirect from Galactic spheroid)
the center into the galactic disc. The spiral arms are sites of ongoing star formation and are brighter than the surrounding disc because of the young...
30 KB (3,630 words) - 23:48, 8 August 2024
Milky Way (section Galactic quadrants)
400 ± 3,600 light-years), by assuming that the galactic disc is well represented by an exponential disc and adopting a central surface brightness of the...
211 KB (21,097 words) - 17:36, 22 August 2024
the Gaia Sausage. Disc galaxy – Type of galactic form Galactic bulge – Tightly packed group of stars within a larger formation Galactic corona – Hot, ionised...
8 KB (1,177 words) - 14:46, 8 April 2024
hypothetical source of the galactic halo of coronal gas may be the cumulative output of many “galactic fountains” in the galactic disc ejecting hot gas. The...
4 KB (544 words) - 02:10, 30 January 2022
relation in the Galactic disc. Ultraluminous X-ray sources (ULXs): What powers X-ray sources that are not associated with active galactic nuclei but exceed...
28 KB (3,211 words) - 13:10, 17 August 2024
Galaxy (redirect from Galactic magnetic fields)
gas surrounding it. The standard model for an active galactic nucleus is based on an accretion disc that forms around a supermassive black hole (SMBH) at...
158 KB (15,910 words) - 11:24, 22 August 2024
through Cassiopeia, containing a number of open clusters, young luminous galactic disc stars, and nebulae. IC 10 is an irregular galaxy that is the closest...
39 KB (4,734 words) - 14:45, 20 August 2024
may contain galaxies. The dark matter halo of a galaxy envelops the galactic disc and extends well beyond the edge of the visible galaxy. Thought to consist...
22 KB (2,834 words) - 19:15, 17 July 2024