An HI region or H I region (read H one) is a cloud in the interstellar medium composed of neutral atomic hydrogen (HI), in addition to the local abundance...
4 KB (474 words) - 03:49, 16 May 2024
An H II region or HII region is a region of interstellar atomic hydrogen that is ionized. It is typically in a molecular cloud of partially ionized gas...
35 KB (4,404 words) - 16:45, 13 October 2024
cloud, its hydrogen can be neutral, making an H I region; ionized, or plasma making it an H II region; or molecular, which are referred to simply as...
7 KB (800 words) - 16:55, 26 September 2024
cities, towns and villages, in the Tibet Autonomous Region of western China. Contents Top A B C D E F G H I J K L M N O P Q R S T U V W X Y Z References Alamdo...
11 KB (848 words) - 18:50, 1 April 2024
Lynds' Catalogue of Bright Nebulae Lynds' Catalogue of Dark Nebulae H I region H II region List of largest nebulae List of diffuse nebulae Lists of nebulae...
21 KB (2,865 words) - 04:12, 6 November 2024
An I-beam is any of various structural members with an Ɪ- (serif capital letter 'I') or H-shaped cross-section. Technical terms for similar items include...
17 KB (2,206 words) - 16:02, 8 September 2024
M96 Group (redirect from Leo I (M96 group))
The M96 Group (also known as the Leo I Group) is a group of galaxies in the constellation Leo. This group contains between 8 and 24 galaxies, including...
7 KB (449 words) - 18:41, 12 August 2023
List of plants by common name (section H)
in other words using binomials or "Latin" names. Contents: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z African sheepbush – Pentzia incana Alder...
39 KB (3,298 words) - 19:37, 29 June 2024