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- Estimates of the number of galaxies in the universe range from 10 billion to over 100 billion. [1] According to Hubble's Law, galaxies are red-shifted. This...5 KB (594 words) - 22:09, 31 May 2023
- called galaxies. Our solar system is in the Milky Way Galaxy, which is just one galaxy in the universe. There are several different types of galaxies and...14 KB (1,955 words) - 13:05, 21 May 2020
- universe consists of millions of stars, which are grouped together as galaxies. Stars, like our Sun, are giant hydrogen fusion reactors, producing huge...13 KB (2,144 words) - 08:43, 3 June 2019
- luminosity of the galaxy is high compared to the Milky Way and similar galaxies with small bulges, but the ratio is comparable to other galaxies with large bulges...22 KB (2,667 words) - 21:28, 16 August 2017
- and sometimes identified as two groups. However, the galaxies around Centaurus A and the galaxies around M83 are physically close to each other, and both...5 KB (448 words) - 13:42, 7 September 2009
- Messier Index/M51 (section Galaxy group information)Ireland. Sometimes M51 is used to refer to the pair of galaxies, in which case the individual galaxies may be referred to as M51A (NGC 5194) and M51B (NGC...14 KB (1,710 words) - 22:19, 11 October 2023
- Messier Index/M101 (section Companion galaxies)Carnegie Atlas of Galaxies. Washington, D.C.: Carnegie Institution of Washington. ISBN 0-87279-667-1. R. B. Tully (1988). Nearby Galaxies Catalog. Cambridge:...7 KB (819 words) - 22:08, 21 May 2017
- The three main types of galaxies are elliptical (E), irregular (I), and spiral (S). Galaxies are typically found in clusters. These clusters are categorized...452 bytes (68 words) - 08:48, 15 October 2019
- Stars, Galaxies, and the Universe Stars Galaxies The Universe ← Other Objects in the Solar System · Stars → ← Other Objects in the Solar System · High...155 bytes (27 words) - 20:53, 1 November 2018
- centers of these two galaxies. Messier 81 is located approximately 10° northwest of w:Alpha Ursae Majoris along with several other galaxies in the w:Messier...15 KB (1,632 words) - 13:41, 7 September 2009
- Messier Index/M90 (section Companion galaxies)similar galaxies outside the Virgo Cluster. As stated above, the w:star formation in Messier 90 appears truncated. Consequently, the galaxy's spiral arms...5 KB (597 words) - 06:50, 22 September 2023
- Andromeda Galaxy has satellite galaxies, consisting of 14 known dwarf galaxies. The best known and most readily observed satellite galaxies are M32 and...42 KB (5,461 words) - 02:19, 14 August 2014
- Messier Index/M94 (section Galaxy group information)explaining this galaxy. M94 is one of the brightest galaxies within the M94 Group, a group of galaxies that contains between 16 and 24 galaxies. This group...10 KB (1,140 words) - 00:26, 19 September 2019
- Vaucouleurs, Gérard (w:April 1 w:1973), "Southern Galaxies.VI. Luminosity Distribution in the Seyfert Galaxy NGC 1566", Astrophysical Journal, 181: 31–50,...4 KB (322 words) - 14:03, 27 July 2010
- Messier Index/M74 (section Galaxy group information)w:M74 Group, a group of 5-7 galaxies that also includes the peculiar w:spiral galaxy w:NGC 660 and a few w:irregular galaxies. Although different group...11 KB (1,253 words) - 14:29, 15 July 2011
- Messier Index/M105 (section Galaxy group information)identified as a galaxy previously named NGC 3379. Messier 105 is one of several galaxies within the w:M96 Group, a w:group of galaxies in the w:constellation...4 KB (369 words) - 21:12, 21 July 2022
- brightest galaxy in the w:M109 Group, a large w:group of galaxies located in the w:constellation Ursa Major that may contain over 50 galaxies. "Messier...5 KB (627 words) - 11:39, 17 January 2019
- third largest galaxy in the w:Local Group, a w:group of galaxies that also contains the w:Milky Way Galaxy and the w:Andromeda Galaxy, and it may be...10 KB (1,272 words) - 10:51, 3 March 2010
- Messier Index/M95 (section Galaxy group information)the galaxy contains a ring-shaped circumnuclear star-forming region with a diameter of approximately 2000 ly (600 pc). M95 is one of several galaxies within...4 KB (357 words) - 13:48, 7 September 2009
- 6.5 ± 0.2 kly in diameter at the widest point. Like most w:elliptical galaxies, M32 contains mostly older faint red and yellow stars with practically...6 KB (668 words) - 03:26, 28 April 2010