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Barred spiral galaxy in the Local Group
was originally named the Andromeda Nebula and is cataloged as Messier 31, M31, and NGC 224. Andromeda has a D25 isophotal diameter of about 46.56 kiloparsecs
Andromeda_Galaxy
Topics referred to by the same term
Look up M31 in Wiktionary, the free dictionary. M31 may refer to: M31 motorway, a planned but unbuilt motorway in England M-31 (Michigan highway), a former
M31
Samsung smartphone announced in March 2020
The Samsung Galaxy M31 is an Android smartphone manufactured by Samsung Electronics as part of the Galaxy M series. It was unveiled on 25 February 2020
Samsung_Galaxy_M31
American medium tank of World War II
mount fitted for AA defense. The superior M31 was adopted instead in small numbers. Grant ARV I US T2 (later M31) in British service 1944-1945. Grant Command
M3_Lee
American armored self-propelled artillery
MLRS II and M31 GMLRS rocket were handed over to the German Army's Artillery School in Idar Oberstein. The German Army operates the M31 rocket up to
M270 Multiple Launch Rocket System
M270_Multiple_Launch_Rocket_System
Proposed road in England
The M31 was planned as a Reading to M3 motorway which was dubbed the 'M3 – M4 link motorway'. It would have provided a direct high-speed route between
M31_motorway
Anti-armor rifle grenade
The M31 HEAT is a fin-stabilized anti-tank rifle grenade designed in the late 1950s to replace the Belgian ENERGA rifle grenade which was adopted by the
M31_HEAT_rifle_grenade
1988 novel by Stephen Wright
M31: A Family Romance is the second novel written by Stephen Wright. First published in 1988 by Harmony Books, it is a dark satire about media and mass
M31:_A_Family_Romance
Bus routes in Manhattan, New York
The M31 and M57 bus routes constitute the 57th Street Crosstown Line, a public transit line in Manhattan, New York City, running primarily along 57th
M31_and_M57_buses
Constellation in the northern celestial hemisphere
constellation's most obvious deep-sky object is the naked-eye Andromeda Galaxy (M31, also called the Great Galaxy of Andromeda), the closest spiral galaxy to
Andromeda_(constellation)
Failed supernova (candidate) in the Andromeda Galaxy
M31-2014-DS1 is a failed supernova candidate located in the Andromeda Galaxy (M31). It is a massive star observed to have undergone a "silent" collapse
M31-2014-DS1
Dwarf elliptical galaxy in the constellation Andromeda
constellation Andromeda. M32 is a satellite galaxy of the Andromeda Galaxy (M31) and was discovered by Guillaume Le Gentil in 1749. The galaxy is a prototype
Messier_32
Road in Pretoria, South Africa
The M31 road is a metropolitan route in the City of Tshwane in Gauteng, South Africa. It connects the southern suburbs of Centurion, from the Rietvlei
M31_(Pretoria)
Possible red cataclysmic variable star in the constellation Andromeda
M31-RV is a possible red cataclysmic variable star located in the Andromeda Galaxy (M31) that experienced an outburst in 1988, which was similar to the
M31-RV
Nuclear explosion in a white dwarf star
Andromeda Galaxy (M31); including recurrent ones. several dozen novae (brighter than apparent magnitude +20) are discovered in M31 each year. The Central
Nova
Road in Johannesburg, South Africa
The M31 is a metropolitan route in the City of Johannesburg, South Africa. The road connects the southern suburbs of Alberton with Johannesburg's northern
M31_(Johannesburg)
Nuclear-capable surface-to-surface rocket
production rounds delivered in January 1953. Its designation was changed to M31 in September 1953. The first Army units received their rockets by year's
MGR-1_Honest_John
Finnish submachine gun
2016-08-26. Retrieved 2011-12-06. Wikimedia Commons has media related to Suomi M31. Gunwriters' Suomi History (Part 1) Gunwriters' Suomi History (Part 2) Jäger
Suomi_KP/-31
Road in Hungary
The M31 motorway (Hungarian: M31-es autópálya) is a motorway in Hungary, that runs between the M0 motorway at Nagytarcsa and the M3 motorway at Gödöllő
M31_motorway_(Hungary)
Collections of galaxies around Messier 31
The Andromeda Galaxy (M31) has satellite galaxies just like the Milky Way. Orbiting M31 are at least 35 dwarf galaxies: the brightest and largest is M110
List of Andromeda's satellite galaxies
List_of_Andromeda's_satellite_galaxies
Astronomical objects catalogued by Charles Messier
remnant, known as the Crab Nebula, and the great spiral Andromeda Galaxy is M31. Further inclusions followed. The first edition of 1774 covered 45 objects
Messier_object
Mass-Loss Rates of Red Supergiants As Revealed by their Luminosity Functions in M31 and M33". The Astrophysical Journal. 942 (2): 35. arXiv:2211.14147. Bibcode:2023ApJ
List_of_largest_stars
Human Y-chromosome DNA haplogroup
(2/9 = 22% Alur, 1/18 = 6% Hema, 1/47 = 2% Mbuti). Haplogroup A-M91(xA1a-M31, A2-M6/M14/P3/P4, A3-M32) has been observed in the Bakola people of southern
Haplogroup_A_(Y-DNA)
Dwarf galaxy in the constellation Andromeda
Andromeda Galaxy (M31). It is roughly 3.5 degrees south and slightly east of M31. As of 2005, it is the closest known dSph companion to M31 at an estimated
Andromeda_I
Dwarf spheroidal galaxy in the constellation Andromeda
part of the Local Group and is a satellite galaxy of the Andromeda Galaxy (M31). The galaxy was discovered by Sidney van den Bergh on photographic plates
Andromeda_III
Caldwell, Nelson (2009-08-27). "Yellow Supergiants in the Andromeda Galaxy (M31)". The Astrophysical Journal. 703 (1): 441–460. arXiv:0907.5471. Bibcode:2009ApJ
List_of_brightest_stars
Galaxy containing the Solar System
Way's structure. With the discovery that the disk of the Andromeda Galaxy (M31) extends much farther than previously thought, the possibility of the disk
Milky_Way
Old Hume Hwy & M31, New South Wales 2577, Australia". Google Maps. 2017. Retrieved 7 January 2017. "Hume Highway; Old Hume Hwy & M31, New South Wales
Hume Highway exits and interchanges
Hume_Highway_exits_and_interchanges
American artillery rocket system
warhead. Range: 15–92 km (9.3–57.2 mi). Improved M31 with new multi-mode fuze that added airburst to the M31's fuze point detonation and delay. M31A2 rockets
M142_HIMARS
Spiral galaxy in the constellation Triangulum
the possibility that M33 and M31 are in orbit. If correct, M33 is on its first infall proper into the Andromeda Galaxy (M31). List of galaxies Messier object
Triangulum_Galaxy
American astrophysicist
only confirmed, intermediate mass black hole in the Globular cluster, G1 in M31. Rich has over 450 refereed publications, including 10 articles in the journal
R._Michael_Rich
M29-class monitor
HMS M31 was an M29-class monitor of the Royal Navy. The availability of ten 6 inch Mk XII guns from the Queen Elizabeth-class battleships in 1915 prompted
HMS_M31
This is a list of freeways in Victoria, Australia. The Victorian road network services the population centres, with highways generally radiating from Melbourne
List_of_freeways_in_Victoria
Swedish mid-size car
clutch), the four-speed M40 and the M41 with four-speed and overdrive. The M31 gearbox was also introduced in 1961 but was only available that year (a three-speed
Volvo_Amazon
South African road network
of route Suburbs Street names Other M1 North/South then East/West M13 / M31 (Westmead) – N3 – M34 – M22 – M20 – N2 – R102 (Mobeni West) Westmead, Ashley
Metropolitan_routes_in_Durban
Group of stars
their formation might well be related to that of globular clusters. Why M31 has such clusters, while the Milky Way has not, is not yet known. It is also
Star_cluster
Major national highway in Australia
referred to as the F5 Freeway until the early 2010s due to its renaming to M31 Hume Motorway in 2013. Other than sections within the urban areas of Sydney
Hume_Highway
Star in the constellation Andromeda
type of variable star. The star is one of the most luminous variables in M31, the Andromeda Galaxy. The star was discovered to be variable in 1928, with
AE_Andromedae
Group of stars in the constellation Andromeda
M31GC J003247+393440 or Andromeda's Cluster, is a globular cluster orbiting M31, the Andromeda Galaxy. It is located 130,000 light-years (40 kpc) from the
Mayall_II
1885 supernova in the Andromeda Galaxy
Frommert, Hartmut; Kronberg, Christine. "S Andromedae: Supernova 1885 in M31". SEDS Messier Database. Retrieved 2017-01-22. "Ueber den neuen Stern im
SN_1885A
Dwarf spheroidal galaxy in the constellation Pegasus
member of the Local Group and a satellite galaxy of the Andromeda Galaxy (M31). The Pegasus Dwarf Spheroidal is a galaxy with mainly metal-poor stellar
Pegasus Dwarf Spheroidal Galaxy
Pegasus_Dwarf_Spheroidal_Galaxy
Numbered system of roads in Hungary
motorways and 13 expressways), 13 of which (M1, M5, M6, M7, M15, M19, M25, M30, M31, M35, M43, M51 and M70) have reached their total planned length. Road signs
Highways_in_Hungary
Road in Iraq
Syria. It connects to the M31 in Basra, the M96 in Anbar and the M97 in Baghdad. The construction of the M1 (as well as M31, M96 and M97) was the "by
Freeway_1_(Iraq)
Anti-tank rocket-propelled grenade launcher
Corps as their primary individual infantry anti-tank weapon, replacing the M31 HEAT rifle grenade and the M20A1 "Super Bazooka" in the U.S. Army. It was
M72_LAW
Bus routes in New York City
operating former Second Avenue Railroad routes (including the current M15 and M31 routes). The Comprehensive also started the current M66 route that year,
List of bus routes in Manhattan
List_of_bus_routes_in_Manhattan
Luminous blue variable star in the constellation Andromeda
type of variable star. The star is one of the most luminous variables in M31, the Andromeda Galaxy. The star was discovered to be variable in 1927, with
AF_Andromedae
1993 US law enforcement siege in Texas
practice hand grenade hulls and components (including more than 200 inert M31 practice rifle grenades, more than 100 modified M-21 practice hand grenade
Waco_siege
Airport in Halls, Tennessee, United States
II use of the airport, see Dyersburg Army Air Base Arnold Field (FAA LID: M31) is a municipal public-use airport located two miles (3 km) northwest of
Arnold_Field_(Tennessee)
Low-luminosity galaxy of old stars and little dust
the Milky Way and as systems that are companions to the Andromeda Galaxy (M31). While similar to dwarf elliptical galaxies in appearance and properties
Dwarf_spheroidal_galaxy
1982 Hunt-class mine countermeasures vessel of the Royal Navy
1982 Home port HMNB Portsmouth, Hampshire Identification Pennant number: M31 IMO number: 4906599 MMSI number: 23458000 International call sign: GYHJ Honours
HMS_Cattistock_(M31)
Grenade using a rifle-based launcher
ENERGA, the M31 is slightly lighter in weight and has a smaller-diameter warhead—i.e. 75 mm (3.0 in) vs 66 mm (2.6 in). Penetration for the M31 is estimated
Rifle_grenade
Postulated future astronomical event
Sangmo Tony; Anderson, Jay; and van der Marel, Roeland P. (2012-07-01). "The M31 velocity vector. I. The Hubble Space Telescope proper-motion measurements"
Andromeda–Milky_Way_collision
Dwarf spheroidal galaxy in the constellation Andromeda
scan along the major axis of M31, on October 5, 2002. Its distance was estimated to be almost exactly the same as that of M31 by McConnacrchie et al. (2005)
Andromeda_IX
Postcode area within the United Kingdom
of M30 was recoded to M44 in 1994 including Cadishead and Irlam. Part of M31 was recoded to M41 in 1994 including Davyhulme, Flixton and Urmston. The
M_postcode_area
Star that dies but does not explode
J; Strader, Jay (2026-01-13). "The fate of the failed supernova candidate M31-2014-DS1". Monthly Notices of the Royal Astronomical Society stag052. doi:10
Failed_supernova
Road in Malaysia
City is located along the road. Lebuh Ayer Keroh used to be State Route M31 before being recommissioned by Malaysian Public Works Department. Before
Ayer_Keroh_Highway
2023 entry-level Android smartphones series
5G/Buddy 2) M300 M305 (Galaxy M30) M307 (Galaxy M30s) M310 M315 (Galaxy M31/M31 Prime Edition) M325 (Galaxy M32) M326 (Galaxy M32 5G) M336 (Galaxy M33
Samsung_Galaxy_A05
Historical concept in cosmology
dimensions of the Universe. To support his claim that the Great Andromeda Nebula (M31) was an external galaxy, Curtis also noted the appearance of dark lanes resembling
Center_of_the_universe
Spiral galaxy in the constellation Camelopardalis
third-largest spiral galaxy then known, smaller only than the Andromeda Galaxy (M31) and the Triangulum Galaxy (M33). (Modern estimates are more conservative
IC_342
2025 Android-based smartphone by Samsung
5G/Buddy 2) M300 M305 (Galaxy M30) M307 (Galaxy M30s) M310 M315 (Galaxy M31/M31 Prime Edition) M325 (Galaxy M32) M326 (Galaxy M32 5G) M336 (Galaxy M33
Samsung_Galaxy_A36_5G
2024 Android-based smartphone by Samsung
5G/Buddy 2) M300 M305 (Galaxy M30) M307 (Galaxy M30s) M310 M315 (Galaxy M31/M31 Prime Edition) M325 (Galaxy M32) M326 (Galaxy M32 5G) M336 (Galaxy M33
Samsung_Galaxy_A55_5G
Human Y-chromosome DNA haplogroup
DRC (2/9 = 22% Alur, 1/18 = 6% Hema, 1/47 = 2% Mbuti). Haplogroup A-M91(xA-M31,A-M6,A-M32) has been observed in the Bakola people of southern Cameroon (3/33
Haplogroup_A-L1085
Galaxy in constellation Andromeda
discovered in August 2003. It is a companion galaxy to the Andromeda Galaxy, M31, and evaded detection for so long due to its diffuse nature. The galaxy was
Andromeda_VIII
2023 Android-based smartphone manufactured by Samsung
5G/Buddy 2) M300 M305 (Galaxy M30) M307 (Galaxy M30s) M310 M315 (Galaxy M31/M31 Prime Edition) M325 (Galaxy M32) M326 (Galaxy M32 5G) M336 (Galaxy M33
Samsung_Galaxy_A24
Inflammatory disease of large blood vessels
Classification D ICD-11: 4A44.2 ICD-10: M31.5-M31.6 ICD-9-CM: 446.5 OMIM: 187360 MeSH: D013700 DiseasesDB: 12938 SNOMED CT: 414341000 External resources
Giant_cell_arteritis
Dwarf spheroidal galaxy in the constellation Andromeda
x. Van den Bergh, Sydney (January 1972). "Search for Faint Companions to M31". Astrophysical Journal. 171: L31. Bibcode:1972ApJ...171L..31V. doi:10.1086/180861
Andromeda_II
Star in the Triangulum Galaxy
Freedman, Wendy L. (1990-01-01). "Spectroscopy of Luminous Blue Stars in M31 and M33". The Astronomical Journal. 99: 84. Bibcode:1990AJ.....99...84H.
B324
2026 Android-based smartphone by Samsung
5G/Buddy 2) M300 M305 (Galaxy M30) M307 (Galaxy M30s) M310 M315 (Galaxy M31/M31 Prime Edition) M325 (Galaxy M32) M326 (Galaxy M32 5G) M336 (Galaxy M33
Samsung_Galaxy_A37_5G
Dwarf spheroidal galaxy in constellation Andromeda
discovery arose from the first year data of a photometric survey of the M31/M33 subgroupings of the Local Group by the Pan-Andromeda Archaeological Survey
Andromeda_XXI
handful of galaxies; these include the Milky Way, the Local Group galaxies M31 and M32, and a few galaxies beyond the Local Group, e.g. NGC 4395. In these
List of most massive black holes
List_of_most_massive_black_holes
2025 tri-folding smartphone by Samsung Electronics
5G/Buddy 2) M300 M305 (Galaxy M30) M307 (Galaxy M30s) M310 M315 (Galaxy M31/M31 Prime Edition) M325 (Galaxy M32) M326 (Galaxy M32 5G) M336 (Galaxy M33
Samsung_Galaxy_Z_TriFold
Type of star that is luminous, blue, and variable in brightness
Hubble added a list of variables detected in M31. Of these, Var A, Var B, Var C, and Var 2 in M33 and Var 19 in M31 were followed up with a detailed study by
Luminous_blue_variable
Microlensing event in the constellation Andromeda
Galaxy in 1999. One possibility for the event is that a star in the disk of M31 gravitationally lensed a red giant also in the disk. The lensing star would
PA-99-N2
Medical condition
Classification D ICD-10: M30-M31 ICD-9-CM: 446 MeSH: D014657 External resources Orphanet: 52759
Systemic_vasculitis
Road in Johannesburg
Central Business District of Johannesburg, South Africa. It runs from the M31 (Joe Slovo Drive; Sivewright Avenue) to the R41 (Main Reef Road), and is
Commissioner Street (Johannesburg)
Commissioner_Street_(Johannesburg)
German engineer (1934–2016)
designing the engines of a number of BMW's high-performance models including the M31 found in the BMW 2002 Turbo, the S14 for the E30 M3, the M12 for the 320i
Paul_Rosche
2025 foldable smartphone by Samsung Electronics
5G/Buddy 2) M300 M305 (Galaxy M30) M307 (Galaxy M30s) M310 M315 (Galaxy M31/M31 Prime Edition) M325 (Galaxy M32) M326 (Galaxy M32 5G) M336 (Galaxy M33
Samsung_Galaxy_Z_Fold_7
Dutch astrophysicist (born 1936)
galaxies M31 and Messier 81. Lewin and his graduate student Eugene Magnier have made deep optical charge-coupled device observations of M31 in four colors;
Walter_Lewin
Neighborhood in New York City
line within Midtown. Several New York City Bus routes, namely the M11, M12, M31, M34 SBS, M42 and M50, as well as express bus routes, service the area. Ferry
Hell's_Kitchen,_Manhattan
Small Magellanic Cloud (SMC) is around 204 kly distant The Andromeda Galaxy (M31) is 2.5 Mly distant and the Triangulum Galaxy is around 3.2 Mly distant List
List_of_O-type_stars
Nike (Ajax) M27 rocket launcher, rail type, for MGM-5 Corporal M28 M29 M30 M31 M32 rocket launcher, 4.5 inch, trailer mount M33 rocket launcher, trailer
List of U.S. Army rocket launchers
List_of_U.S._Army_rocket_launchers
River in France
Sourdeval Tinchebray-Bocage Sandre. "Fiche cours d'eau - l'Egrenne (M31-0310)". Sandre. "Fiche cours d'eau - la Varenne (M31-0300)". v t e v t e v t e
Égrenne
2022 Android smartphone manufactured by Samsung Electronics
5G/Buddy 2) M300 M305 (Galaxy M30) M307 (Galaxy M30s) M310 M315 (Galaxy M31/M31 Prime Edition) M325 (Galaxy M32) M326 (Galaxy M32 5G) M336 (Galaxy M33
Samsung_Galaxy_Xcover_6_Pro
Samsung phone in 2024
5G/Buddy 2) M300 M305 (Galaxy M30) M307 (Galaxy M30s) M310 M315 (Galaxy M31/M31 Prime Edition) M325 (Galaxy M32) M326 (Galaxy M32 5G) M336 (Galaxy M33
Samsung_Galaxy_F15_5G
2023 foldable smartphone by Samsung Electronics
5G/Buddy 2) M300 M305 (Galaxy M30) M307 (Galaxy M30s) M310 M315 (Galaxy M31/M31 Prime Edition) M325 (Galaxy M32) M326 (Galaxy M32 5G) M336 (Galaxy M33
Samsung_Galaxy_Z_Flip_5
1975 American historical melodrama film
(April 6, 1975). "A Silk Purse Out of a Sow's Ear?". Los Angeles Times. p. m31. Rosenbaum, Jonathan (October 26, 1985). "Mandingo". Chicago Reader. Retrieved
Mandingo_(film)
Italian steel combat helmet
Italian and foreign firms) in 1932, it was decided to adopt one of them as the M31 helmet. However this model (recognizable by the small crest on its top) was
M33_helmet
Spatial mass distribution of dark matter
Observations of the inner regions of bright galaxies like the Milky Way and M31 may be compatible with the NFW profile, but this is open to debate. The NFW
Navarro–Frenk–White_profile
2025 foldable smartphone by Samsung Electronics
5G/Buddy 2) M300 M305 (Galaxy M30) M307 (Galaxy M30s) M310 M315 (Galaxy M31/M31 Prime Edition) M325 (Galaxy M32) M326 (Galaxy M32 5G) M336 (Galaxy M33
Samsung_Galaxy_Z_Flip_7
Spiral galaxy in the constellation Ursa Major
Bureau for Astronomical Telegrams (CBAT) tracks novae in M81 along with M31 and M33. In the center of M81 there exists a supermassive black hole (SMBH)
Messier_81
Swedish astronomer (1889–1958)
distance to M31 – the Andromeda Galaxy, to 650,000 light years (about a fourth of the present day value) using magnitudes of novae found in M31 and comparing
Knut_Lundmark
Scale for measuring the brightness of the night sky
Sketch of M31 with M32 and dust lane under Bortle 4.5
Bortle_scale
Series of Android smartphones in 2019 by Samsung Electronics
battery". gsmArena. 6 November 2020. Retrieved 6 November 2020. "Samsung Galaxy M31 goes official with quad camera, 6,000mAh battery and Android 10". gsmArena
Samsung_Galaxy_M_series
Contact binary which resulted in one star
variables which have been known since 1988, when such a star (M31-RV) appeared in the galaxy M31. M101 OT2015-1 was discovered on February 10, 2015 by Dumitru
M101_OT2015-1
2018 mid-range smartphone by Samsung Electronics
5G/Buddy 2) M300 M305 (Galaxy M30) M307 (Galaxy M30s) M310 M315 (Galaxy M31/M31 Prime Edition) M325 (Galaxy M32) M326 (Galaxy M32 5G) M336 (Galaxy M33
Samsung_Galaxy_J7_(2018)
2024 foldable smartphone by Samsung Electronics
5G/Buddy 2) M300 M305 (Galaxy M30) M307 (Galaxy M30s) M310 M315 (Galaxy M31/M31 Prime Edition) M325 (Galaxy M32) M326 (Galaxy M32 5G) M336 (Galaxy M33
Samsung_Galaxy_Z_Fold_6
Swedish interwar medium tank
in World War 2: Stridsvagn m/31 (Landsverk L-10) https://www.ointres.se/strv_fm31_m31.htm http://www.wwiivehicles.com/sweden/tanks-light/strv-m31.asp
Landsverk_L-10
Freeway in Johannesburg, South Africa
connects with the M31 North Joe Slovo Drive (which is an eastern bypass of the CBD to the northern suburbs and the M1 North) and the M31 South Heidelberg
M2_(Johannesburg)
75mm cased telescopic ammunition autocannon
developed. A towed variant of the gun was also proposed, to be carried on a M31 gun carriage used by the M102 105mm howitzer, with a video system mounted
XM274
South M31 (Kenridge) – M30 – N1 (no interchange) – M25(Oakdale) Kenridge, Oakdale Carl Cronje Dr M124 North / South M15 (Langeberg Village) – M73 – M31 (Stellenridge)
List of metropolitan routes in South Africa
List_of_metropolitan_routes_in_South_Africa
M31
M31
M31
M31
Boy/Male
Muslim/Islamic
The guide
Girl/Female
Indian
Initiation
Boy/Male
Hindu, Indian, Sanskrit, Traditional
One who is Happy in Following his Religion; The Centre of Dharma; Another Name for Visnu
Girl/Female
Muslim
Deputyship, Share
Boy/Male
Arabic, Australian
Thankful
Girl/Female
Tamil
Gaganasindhu | ககநாஸிஂதூ
Ocean of the Sky
Boy/Male
Hindu, Indian, Marathi, Punjabi, Sikh
Lord of Braves
Surname or Lastname
English
English : variant spelling of Laswell.
Boy/Male
French American Latin
Form of Luke. 'Light; illumination.
Girl/Female
Latin American Italian French
Light.
M31
M31
M31
M31
M31