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of new stars. In that case, they fall back into each other and eventually merge into one galaxy after many passes through each other. If one of the colliding galaxies is much larger than the other, it will remain largely intact after the merger. The larger galaxy will look much the same, while the
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1446:"Implications for the Origin of Early-type Dwarf Galaxies: A Detailed Look at the Isolated Rotating Early-type Dwarf Galaxy LEDA 2108986 (CG 611), Ramifications for the Fundamental Plane's {S}_{K}^{2} Kinematic Scaling, and the Spin-Ellipticity Diagram"
428:
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slows the relative motion of galaxy pairs, which may possibly merge at some point, according to the initial relative energy of the orbits. A library of simulated galaxy collisions can be found at the Paris
Observatory website GALMER.
427:
455:
272:
Galactic collisions are now frequently simulated on computers, which use realistic physics principles, including the simulation of gravitational forces, gas dissipation phenomena, star formation, and feedback.
498:
269:
smaller galaxy will be stripped apart and become part of the larger galaxy. When galaxies pass through each other, unlike during mergers, they largely retain their material and shape after the pass.
324:
652:
Evidence for the hypothesis had been claimed by studying early-type dwarf galaxies in the Virgo
Cluster and finding structures, such as disks and spiral arms, which suggest they are former
372:
223:
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143:(right) display some curious features, showing that each is close enough to feel the distorting gravitational influence of the other. Image from the Wide Field Imager on the MPG/
426:
253:. The extremely tenuous distribution of matter in galaxies means these are not collisions in the traditional sense of the word, but rather gravitational interactions.
575:
gravitational interactions with a companion, merges with that companion. The most common result of the gravitational merger between two or more galaxies is a larger
241:
2291:
2338:
1988:
440:
1444:
Graham, Alister W.; Janz, Joachim; Penny, Samantha J.; Chilingarian, Igor V.; Ciambur, Bogdan C.; Forbes, Duncan A.; Davies, Roger L. (2017-05-01).
308:
1032:
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located 700 million light-years away. Both galaxies are beginning to merge together, with a separation gap of only 130,000 light-years.
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transformed by the above-mentioned interactions. The existence of similar structures in isolated early-type dwarf galaxies, such as
119:
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1704:
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whose gravitational interactions will fling various celestial bodies outward, evicting them from the resulting elliptical galaxy.
100:
1505:"Implications for the origin of early-type dwarf galaxies - the discovery of rotation in isolated, low-mass early-type galaxies"
72:
1213:
1183:
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1157:
344:
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57:
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Galaxy harassment is a type of interaction between a low-luminosity galaxy and a brighter one that takes place within rich
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2136:
79:
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galaxy has merged with another galaxy leaving a fine mist, made of millions of stars, spewing from it in long trails.
86:
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215:. Such orphaned clusters of stars were sometimes referred to as "blue blobs" before they were recognized as stars.
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and heating of their gas. The result would be the conversion of (late type) low-luminosity spiral galaxies into
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if two galaxies collide and do not have enough momentum to continue traveling after the collision. As with other
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2098:
2056:
1766:
1739:
557:
68:
1612:
Junko Ueda; et al. (2014). "Cold molecular gas in merger remnants. I. Formation of molecular gas disks".
2384:
2369:
2316:
1975:
1963:
1958:
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1798:
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543:. These galaxies are currently in a gravitational tug of war with each other, distorting their appendences.
46:
1887:
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710:
508:
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1503:
Janz, Joachim; Penny, Samantha J.; Graham, Alister W.; Forbes, Duncan A.; Davies, Roger L. (2017-07-01).
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360:
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2013:
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and suffering frequent encounters with other systems of the cluster due to the high galactic density.
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is an impressive pair of interacting galaxies with a feather-like galaxy crossing a companion galaxy.
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This simulation follows the collision of two spiral galaxies that harbour giant black holes.
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964:"HubbleSite: News - Hubble Finds that "Blue Blobs" in Space Are Orphaned Clusters of Stars"
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arcing from these dwarf galaxies to the Milky Way is taken as evidence for the theory.
212:
1381:"More evidence for hidden spiral and bar features in bright early-type dwarf galaxies"
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1953:
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611:
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414:
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203:. Alternatively, the secondary satellite can dive into the primary galaxy, as in the
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2008:
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It has been suggested that galactic cannibalism is currently occurring between the
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183:. An example of a major interaction is a galactic collision, which may lead to a
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NGC 4038 & NGC 4039 are a pair of interacting galaxies in the constellation
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result in a disturbance of one another. An example of a minor interaction is a
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2MASX J09133888-1019196, an interacting galaxy in the constellation of
172:
1998:
1983:
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568:
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629:, the interactions convert the affected galaxy disks into disturbed
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is common. A satellite's gravity could attract one of the primary's
1521:
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is a common phenomenon. It refers to the process in which a large
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ESO 576-69 is believed to be the nucleus of a former spiral galaxy.
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2018:
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552:
240:
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Interacting galaxy pair, ESO 77-14 located in the constellation
245:
Gravitationally lensed galactic merger H-ATLAS J142935.3-002836.
1686:
1033:"Galaxy Collision Creates 'Space Triangle' in New Hubble Image"
1014:"How the Hubble Space Telescope Changed Our View of the Cosmos"
144:
29:
1682:
1677:
1056:
1379:
Barazza, F. D.; Binggeli, B.; Jerjen, H. (2002-09-01).
988:"Best View Yet of Merging Galaxies in Distant Universe"
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2129:
2039:
1974:
1865:
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1269:"Hubble Interacting Galaxy 2MASX J09133888-1019196"
60:. Unsourced material may be challenged and removed.
1509:Monthly Notices of the Royal Astronomical Society
923:in about 4.5 billion years. Some think the two
672:Montage of some well known interacting galaxies
637:followed by, if more encounters occur, loss of
211:. That can possibly trigger a small amount of
27:Galaxies with interacting gravitational fields
2339:List of the most distant astronomical objects
1698:
8:
1338:"APOD: 2010 July 17 - Galaxies in the River"
1614:The Astrophysical Journal Supplement Series
449:comprises a couple of interacting galaxies.
264:, the merging of two galaxies may create a
1705:
1691:
1683:
1565:"Galactic merger to 'evict' Sun and Earth"
1214:"The messy result of a galactic collision"
727:Satellites interacting with their primary
675:
1625:
1538:
1520:
1479:
1461:
1396:
338:both located 55 million light-years away.
120:Learn how and when to remove this message
667:
467:in the process of a lengthy merger with
131:
955:
766:Satellite interacting with its primary
747:Satellite interacting with its primary
594:. Streams of gravitationally-attracted
285:
1012:Nola Taylor Tillman (April 21, 2015).
1293:"Hubble Interacting Galaxy ESO 77-14"
249:Colliding galaxies are common during
7:
618:, where galaxies are moving at high
195:A giant galaxy interacting with its
58:adding citations to reliable sources
927:will eventually merge to become an
205:Sagittarius Dwarf Elliptical Galaxy
1575:from the original on 20 April 2014
1031:Gianopoulos, Andrea (2022-02-18).
660:, has undermined this hypothesis.
25:
1678:GALMER: Galaxy Merger Simulations
592:Large and Small Magellanic Clouds
2479:
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2467:
532:
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454:
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383:
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354:merging into a single structure.
343:
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179:disturbing the primary galaxy's
34:
915:Astronomers have estimated the
45:needs additional citations for
2410:Galaxy formation and evolution
2405:Galaxy color–magnitude diagram
1218:ESA/Hubble Picture of the Week
1188:ESA/Hubble Picture of the Week
1:
919:Galaxy will collide with the
911:Andromeda–Milky Way collision
905:Andromeda–Milky Way collision
772:Butterfly Galaxies NGC 4567/8
232:Animation of Galaxy Collision
1078:"Galactic Creatures at Play"
2292:Galaxies named after people
1244:"Defying cosmic convention"
875:Galaxies going through the
852:Galaxies going through the
828:Galaxies going through the
804:Galaxies going through the
785:Early phase of interaction
2529:
2425:Gravitational microlensing
2380:Galactic coordinate system
1415:10.1051/0004-6361:20020875
1385:Astronomy and Astrophysics
908:
816:(NGC 4676A and NGC 4676B)
2463:
1644:10.1088/0067-0049/214/1/1
1595:, June 2008, page 28, by
1563:Hazel Muir (2007-05-14).
1450:The Astrophysical Journal
2390:Galactic magnetic fields
2203:Brightest cluster galaxy
2099:Luminous infrared galaxy
1481:10.3847/1538-4357/aa6e56
2513:Extragalactic astronomy
2385:Galactic habitable zone
2370:Extragalactic astronomy
1959:Supermassive black hole
1873:Active galactic nucleus
1407:2002A&A...391..823B
1128:"A close galactic pair"
558:2MASX J16270254+4328340
2137:Low surface brightness
1888:Central massive object
1248:www.spacetelescope.org
1132:www.spacetelescope.org
1107:www.spacetelescope.org
1082:www.spacetelescope.org
879:in galactic collision
856:in galactic collision
832:in galactic collision
808:in galactic collision
719:SBc/SB(s)m/SB(s)m pec
673:
631:barred spiral galaxies
561:
256:Colliding may lead to
246:
233:
155:
2415:Galaxy rotation curve
671:
556:
366:Galaxy pair Zw I 136.
330:Interacting galaxies
244:
231:
191:Satellite interaction
135:
2508:Interacting galaxies
2450:Population III stars
2445:Intergalactic travel
2395:Galactic orientation
2262:Voids and supervoids
1673:Galactic cannibalism
1540:10.1093/mnras/stx634
791:NGC 2207 and IC 2163
776:SA(rs)bc / SA(rs)bc
627:computer simulations
565:Galactic cannibalism
549:Galactic cannibalism
462:Barred spiral galaxy
173:gravitational fields
159:Interacting galaxies
152:La Silla Observatory
69:"Interacting galaxy"
54:improve this article
2440:Intergalactic stars
2329:Large quasar groups
2324:Groups and clusters
2188:Groups and clusters
2047:Lyman-alpha emitter
1939:Interstellar medium
1636:2014ApJS..214....1U
1531:2017MNRAS.468.2850J
1472:2017ApJ...840...68G
1362:"Galaxy Harassment"
1224:on 24 November 2020
1164:on 31 December 2015
931:or perhaps a large
581:elliptical galaxies
314:Close encounter at
148:2.2-metre telescope
2435:Intergalactic dust
2420:Gravitational lens
2375:Galactic astronomy
2344:Starburst galaxies
2084:blue compact dwarf
2040:Energetic galaxies
2004:BL Lacertae object
674:
562:
275:Dynamical friction
247:
234:
164:colliding galaxies
156:
18:Galactic collision
2495:
2494:
2455:Galaxy X (galaxy)
2430:Illustris project
2400:Galactic quadrant
2121:Wolf-Rayet galaxy
2111:Green bean galaxy
2106:Hot dust-obscured
2057:Luminous infrared
1821:Elliptical galaxy
1668:Galaxy Collisions
1366:supernova.lbl.gov
1103:"Close encounter"
992:ESO Press Release
929:elliptical galaxy
902:
901:
838:Antennae Galaxies
647:dwarf ellipticals
643:dwarf spheroidals
602:Galaxy harassment
583:may also result.
505:Antennae Galaxies
472:elliptical galaxy
429:
262:galaxy collisions
229:
130:
129:
122:
104:
16:(Redirected from
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2116:Hanny's Voorwerp
2026:Relativistic jet
1900:Dark matter halo
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1515:(3): 2850–2864.
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1398:astro-ph/0206275
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1317:"The last waltz"
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1220:. Archived from
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1199:
1190:. Archived from
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1160:. Archived from
1158:"Two become one"
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1138:on 20 April 2017
1134:. Archived from
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921:Andromeda Galaxy
733:Whirlpool Galaxy
707:Milky Way Galaxy
676:
664:Notable examples
639:angular momentum
577:irregular galaxy
536:
520:
501:
486:
458:
443:
431:
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392:Whirlpool Galaxy
387:
375:
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266:starburst region
251:galaxy evolution
237:Galaxy collision
230:
207:diving into the
177:satellite galaxy
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1949:Galaxy filament
1893:Galactic Center
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1194:on 10 June 2020
1184:"Galactic soup"
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925:spiral galaxies
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620:relative speeds
608:galaxy clusters
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316:IRAS 06076-2139
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2247:Stellar stream
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1662:External links
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1391:(3): 823–831.
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968:hubblesite.org
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909:Main article:
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213:star formation
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2349:Superclusters
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2252:Superclusters
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2183:Galactic tide
2181:
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2173:
2169:
2163:
2160:
2158:
2155:
2153:
2150:
2148:
2145:
2143:
2142:Ultra diffuse
2140:
2138:
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2132:
2128:
2122:
2119:
2117:
2114:
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2020:
2017:
2015:
2012:
2011:
2010:
2007:
2005:
2002:
2000:
1997:
1995:
1992:
1990:
1987:
1985:
1982:
1981:
1979:
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1976:Active nuclei
1973:
1965:
1962:
1961:
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1947:
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1569:New Scientist
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1342:apod.nasa.gov
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840:(NGC 4038/9)
839:
836:
835:
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827:
824:
821:
818:
815:
814:Mice Galaxies
812:
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792:
789:
788:
784:
781:
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769:
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757:SB(s)bc (E6)
756:
754:
751:
750:
746:
743:
740:
737:
734:
731:
730:
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724:
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633:and produces
632:
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625:According to
623:
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415:Mice Galaxies
409:
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186:
185:galaxy merger
182:
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174:
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165:
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149:
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124:
121:
113:
102:
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95:
92:
88:
85:
81:
78:
74:
71: –
70:
66:
65:Find sources:
59:
55:
49:
48:
43:This article
41:
37:
32:
31:
19:
2485:
2473:
2214:
2208:fossil group
2130:Low activity
1964:Ultramassive
1794:Dwarf galaxy
1777:intermediate
1772:grand design
1617:
1613:
1607:
1597:Abraham Loeb
1588:
1577:. Retrieved
1557:
1512:
1508:
1498:
1453:
1449:
1439:
1388:
1384:
1374:
1365:
1356:
1345:. Retrieved
1341:
1332:
1320:. Retrieved
1311:
1300:. Retrieved
1296:
1287:
1276:. Retrieved
1272:
1263:
1251:. Retrieved
1247:
1238:
1226:. Retrieved
1222:the original
1217:
1208:
1196:. Retrieved
1192:the original
1187:
1178:
1166:. Retrieved
1162:the original
1152:
1140:. Retrieved
1136:the original
1131:
1122:
1110:. Retrieved
1106:
1097:
1085:. Retrieved
1081:
1072:
1060:. Retrieved
1051:
1040:. Retrieved
1036:
1026:
1017:
1007:
995:. Retrieved
991:
982:
971:. Retrieved
967:
958:
914:
876:
853:
830:second phase
829:
805:
738:SAc (SB0-a)
658:LEDA 2108986
654:disc systems
651:
624:
605:
585:
564:
563:
271:
255:
248:
194:
163:
162:
158:
157:
116:
107:
97:
90:
83:
76:
64:
52:Please help
47:verification
44:
2267:void galaxy
2230:cannibalism
2215:Interacting
2171:Interaction
2157:Blue Nugget
2147:Dark galaxy
2052:Lyman-break
1944:Protogalaxy
1910:Disc galaxy
1322:14 December
1168:28 December
933:disc galaxy
877:third phase
854:third phase
819:S0/SB(s)ab
806:first phase
201:spiral arms
181:spiral arms
139:(left) and
2502:Categories
2307:Polar-ring
2152:Red nugget
2094:faint blue
1954:Spiral arm
1809:spheroidal
1799:elliptical
1782:Magellanic
1767:flocculent
1735:Lenticular
1722:Morphology
1579:2014-10-07
1522:1703.04975
1463:1705.03587
1347:2022-12-01
1302:2024-08-30
1297:HubbleSite
1278:2024-08-30
1273:HubbleSite
1042:2022-12-01
973:2017-05-24
951:References
635:starbursts
610:, such as
571:, through
197:satellites
80:newspapers
2242:Satellite
2237:Jellyfish
2225:collision
2162:Dead disk
2079:Starburst
1994:Markarian
1866:Structure
1833:Irregular
1804:irregular
1627:1407.6873
1593:Astronomy
1549:0035-8711
1490:0004-637X
1456:(2): 68.
1423:0004-6361
1198:18 August
1087:10 August
1018:Space.com
997:26 August
917:Milky Way
795:SAc/SAbc
697:Magnitude
689:(million
588:Milky Way
490:ESO 593-8
396:satellite
394:with its
298:taken by
209:Milky Way
2474:Category
2363:See also
2287:Galaxies
2014:X-shaped
1845:Peculiar
1787:unbarred
1745:unbarred
1714:Galaxies
1620:(1): 1.
1573:Archived
1253:20 March
1142:21 April
1062:27 March
1057:"GALMER"
945:NGC 7318
939:See also
885:NGC 2936
843:SAc/SBm
753:NGC 1097
687:Distance
596:hydrogen
590:and the
475:NGC 1510
465:NGC 1512
447:NGC 3447
399:NGC 5195
352:NGC 6052
336:NGC 4298
332:NGC 4302
296:UGC 2369
169:galaxies
141:NGC 3166
137:NGC 3169
110:May 2009
2334:Quasars
2302:Nearest
2297:Largest
2198:cluster
2031:Seyfert
1632:Bibcode
1601:T.J.Cox
1527:Bibcode
1468:Bibcode
1403:Bibcode
862:NGC 520
350:Galaxy
282:Gallery
258:merging
150:at the
94:scholar
2486:Portal
2317:Spiral
2220:merger
1999:Quasar
1984:Blazar
1922:corona
1838:barred
1814:spiral
1762:barred
1757:anemic
1752:Spiral
1740:barred
1652:716993
1650:
1547:
1488:
1431:844270
1429:
1421:
1228:29 May
895:+12.9
872:+11.3
849:+10.3
825:+13.5
782:+10.9
735:(M51)
701:Notes
579:, but
569:galaxy
509:Corvus
171:whose
167:) are
96:
89:
82:
75:
67:
2354:Voids
2279:Lists
2257:Walls
2193:group
2178:Field
2072:ELIRG
2067:HLIRG
2062:ULIRG
2019:DRAGN
2009:Radio
1989:LINER
1883:Bulge
1855:Polar
1648:S2CID
1622:arXiv
1517:arXiv
1458:arXiv
1427:S2CID
1393:arXiv
1112:8 May
763:+9.5
744:+8.4
679:Name
612:Virgo
573:tidal
541:Indus
525:Hydra
469:dwarf
101:JSTOR
87:books
2312:Ring
1917:Halo
1905:Disc
1850:Ring
1730:Disc
1599:and
1545:ISSN
1486:ISSN
1419:ISSN
1324:2015
1255:2017
1230:2013
1200:2014
1170:2015
1144:2017
1114:2017
1089:2019
1064:2010
1037:NASA
999:2014
892:352
889:Irr
869:100
822:300
801:+11
798:114
713:and
683:Type
645:and
616:Coma
614:and
413:The
390:The
334:and
73:news
2089:pea
1878:Bar
1640:doi
1618:214
1535:doi
1513:468
1476:doi
1454:840
1411:doi
1389:391
846:45
779:60
760:45
741:37
715:SMC
711:LMC
300:HST
145:ESO
56:by
2504::
1826:cD
1646:.
1638:.
1630:.
1616:.
1571:.
1567:.
1543:.
1533:.
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1511:.
1507:.
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1080:.
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1016:.
990:.
966:.
935:.
898:?
866:S
722:0
709:,
693:)
691:ly
649:.
187:.
1706:e
1699:t
1692:v
1654:.
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1001:.
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401:.
318:.
302:.
161:(
154:.
123:)
117:(
112:)
108:(
98:·
91:·
84:·
77:·
50:.
20:)
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
