irregular galaxy
71Местная группа — Галактики Местной группы Местная группа галактик  гравитационно связанная группа галактик, включающая галактики Млечный Путь, галактику Андромеды (M31) и галактику Треуголь …
72NGC 5253 — Stellar Clusters Forming in the Blue Dwarf Galaxy NGC 5253 = J2000 Observation data …
73NGC 4449 — A Hubble Space Telescope (HST) image of NGC 4449. Observation data (J2000 epoch) …
74Sextans A — Irregular galaxy Sextans A. The bright Milky Way foreground stars appear yellowish in this view. Beyond them lie the stars of Sextans A with young blue star clusters clearly visible. Observation data (J2000 epoch) …
75Aquarius Dwarf — by HST Observation data (J2000 epoch) Constellation Aqu …
76Galaxies in fiction — Galaxies other than the Milky Way are popular settings for creators of science fiction, particularly those working with broad scale space opera settings. Among the most common settings are the Andromeda Galaxy, the Magellanic Clouds, and the… …
77Dark matter halo — Simulated dark matter halo from a cosmological N body simulation A dark matter halo is a hypothetical component of a galaxy, which extends beyond the edge of the visible galaxy and dominates the total mass. Since they consist of dark matter,… …
78Density wave theory — Image of spiral galaxy M81 combining data from the Hubble, Spitzer, and GALEX space telescopes. Density wave theory or the Lin Shu density wave theory is a theory proposed by C.C. Lin and Frank Shu in the mid 1960s to explain spiral arm structure …
79Dwingeloo 1 — WISE infrared image of Dwingeloo 1 Observation data (J2000 epoch) Constellation Cassiopeia …
80List of astronomy acronyms — This is a compilation of acronyms commonly used in astronomy. Most of the acronyms are drawn from professional astronomy and are used quite frequently in scientific publications. However, a few of these acronyms are frequently used by the general …
