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Topics referred to by the same term
Look up SN, Sn, sn, or šn in Wiktionary, the free dictionary. Look up .sn or s.n. in Wiktionary, the free dictionary. SN, Sn, sn, .sn, or s.n. may refer
SN
1987 supernova event in the constellation Dorado
SN 1987A was a Type II supernova in the Large Magellanic Cloud, a dwarf satellite galaxy of the Milky Way. It occurred approximately 51.4 kiloparsecs (168
SN_1987A
Chemical element with atomic number 50 (Sn)
Tin is a chemical element; it has the symbol Sn (from Latin stannum) and atomic number 50. A metallic-gray metal, tin is soft enough to be cut with little
Tin
Top-level Internet domain for Senegal
available for third-level domain name registration: art.sn com.sn edu.sn gouv.sn org.sn perso.sn univ.sn Some companies like Epson use the TLD as a domain hack
.sn
Swiss standard for AC power plugs and sockets
SN 441011, until 2019 SEV 1011, is the Swiss national standard for AC power plug for domestic use and similar purposes. The plug SN 441011 Type 12 and
SN_441011
Supernova observed from Earth in 1006
SN 1006 was a supernova that is likely the brightest observed stellar event in recorded history, reaching an estimated −7.5 visual magnitude, and exceeding
SN_1006
Supernova in the constellation Taurus; visible from 1054 to 1056
SN 1054, the Crab Supernova, is a supernova that was first observed on c. 10 July [O.S. c. 4 July] 1054, and remained visible until c. 12 April [O.S. c
SN_1054
How spheres of various dimensions can wrap around each other
homotopy group πi(Sn) captures the different ways in which the i-dimensional sphere Si can be mapped continuously into the n-dimensional sphere Sn. It does not
Homotopy_groups_of_spheres
Supernova in the constellation Cassiopeia
SN 1572 (also Tycho's Star, Tycho's Nova, or Tycho's Supernova), or B Cassiopeiae (B Cas), was a supernova of Type Ia in the constellation Cassiopeia,
SN_1572
Airline of Belgium (2002–2007)
SN Brussels Airlines (SNBA) was the flag carrier of Belgium, which mainly operated from Brussels Airport. SNBA was the trading name of the Belgian airline
SN_Brussels_Airlines
Core-collapse supernova in spiral galaxy NGC 1637
SN 2025pht (also known as ASASSN-25cw) was a Type II-P supernova that occurred in NGC 1637, a spiral galaxy located around 31.9 million light-years away
SN_2025pht
Chemical compound
SN-38 is an antineoplastic drug. It is the active metabolite of irinotecan (an analog of camptothecin - a topoisomerase I inhibitor) but has 1000 times
SN-38
Defunct company
SN Power is a defunct company that invests in clean, renewable energy on a commercial basis in emerging markets. SN Power was acquired by Scatec on 29
SN_Power
Mathematical function
( y ) − sn ( x ) sn ( y ) dn ( x ) dn ( y ) 1 − m sn 2 ( x ) sn 2 ( y ) , sn ( x + y ) = sn ( x ) cn ( y ) dn ( y ) + sn ( y ) cn
Jacobi_elliptic_functions
Publish-subscribe based messaging protocol
target. Communication within a MQTT-SN network as well as to the outside MQTT network is coordinated by a "MQTT-SN Gateway". The MQTT protocol defines
MQTT
Type Ic supernova
SN 2022jli is a Type Ic supernova discovered in 2022 in the spiral galaxy NGC 157 at a distance of about 23 Mpc. The light curve of the supernova exhibited
SN_2022jli
Protein complexes that mix with other proteins to form spliceosome
snRNPs (pronounced "snurps"), or small nuclear ribonucleoproteins, are RNA-protein complexes that combine with unmodified pre-mRNA and various other proteins
SnRNP
1961 supernova-like event in NGC 1058
SN 1961V was an abnormal, supernova-like event that was a potential supernova impostor. It was discovered by Paul Wild on 11 July 1961. The potential impostor
SN_1961V
Supernova in the Pinwheel Galaxy
SN 2023ixf was a Type II-L (core collapse) supernova located 21 million light years away from Earth in the Pinwheel Galaxy in the constellation of Ursa
SN_2023ixf
Astrophysical phenomenon
61 years, although the last to be observed was Kepler's Supernova in 1604. SN 1987A occurred in the Large Magellanic Cloud, a satellite galaxy of our galaxy
Supernova
British software company
SN Systems was a provider of Windows based development tools for games consoles and virtual reality headsets, including the PlayStation VR2, PlayStation
SN_Systems
Supernova discovered in 2007
SN 2007uy was a supernova that occurred in the spiral galaxy NGC 2770. It was discovered by Yoji Hirose on December 31, 2007 from Chigasaki city in Japan
SN_2007uy
2002 Type Ia supernova event in the constellation Virgo
other previously observed peculiar Type Ia supernovae including SN 1991T and SN 1991bg. SN 2002cx is now classified as Type Iax supernova, which are subluminal
SN_2002cx
National airline of Belgium
Air Transport Association. The airline's IATA code SN is inherited from its predecessors, Sabena and SN Brussels Airlines. Brussels Airlines is part of the
Brussels_Airlines
Supernova in the constellation Piscis Austrinus
SN 2009ip was a supernova discovered in 2009 in the spiral galaxy NGC 7259 in the constellation of Piscis Austrinus. Since the brightness waned after days
SN_2009ip
2006 hypernova in constellation Perseus
SN 2006gy was an extremely energetic supernova, also referred to as a hypernova, that was discovered on September 18, 2006. It was first observed by Robert
SN_2006gy
Supernova that has been lensed
iPTF16geu, SN Requiem (SN 2016jka), SN Zwicky (SN 2022qmx), Chen et al. SN, SN H0pe, SN 2022riv, and SN Winny (SN 2025wny). Besides SN Refsdal, SN H0pe has
SN_Refsdal
Supernova in the constellation Pegasus
SN 2008ha was a Type Ia Supernova which was first observed around November 7, 2008 in the galaxy UGC 12682, which lies in the constellation Pegasus at
SN_2008ha
Supernova in the constellation Cygnus
SN 2004et was a bright Type II-P supernova that occurred in the spiral galaxy NGC 6946 (The Fireworks Galaxy), about 22 million light years away from Earth
SN_2004et
Indian theoretical physicist (1894–1974)
the country for a scholar, a position he held for 15 years. In 1986, the S.N. Bose National Centre for Basic Sciences was established by an act of Parliament
Satyendra_Nath_Bose
Supernova/gamma-ray burst in the constellation Telescopium
SN 1998bw was a rare broad-lined Type Ic gamma ray burst supernova detected on 26 April 1998 in the ESO 184-G82 spiral galaxy, which some astronomers believe
SN_1998bw
Strongly lensed Type II-P supernova in the constellation Sagittarius
SN Eos is a strongly lensed Type II-P supernova that, as of January 2026, is the most distant spectroscopically confirmed supernova ever discovered. It
SN_Eos
International standards for dates and times
2022-05-13, replaces SS-ISO 8601:2011, edition 2) Switzerland SN ISO 8601:2005-08 (replaced SN-EN 28601:1994) Taiwan CNS 7648 Thailand TIS 1111:2535 (1992)
ISO_8601
Supernova in Messier 82
SN 2014J was a Type-Ia supernova in Messier 82 (the 'Cigar Galaxy', M82) discovered in mid-January 2014. It was the closest Type-Ia supernova discovered
SN_2014J
Unusual supernova
SN 2021yfj was a Type Ien supernova event known to potentially be the first supernova discovered of its type. It occurred roughly 2.2 billion light years
SN_2021yfj
Supernova in the constellation Hydra
SN 2024ggi was a Type II supernova event that occurred in the spiral galaxy NGC 3621 around 6.6 Mpc from Earth in the constellation Hydra. It was discovered
SN_2024ggi
Supernova event inside the galaxy NGC 1097 in the constellation Fornax
SN 2023rve is a Type II supernova that happened in the 10th magnitude barred spiral galaxy NGC 1097. It was discovered on 8 September 2023 by Mohammad
SN_2023rve
Class of enzymes
chemical reaction 1-(1-alkenyl)-sn-glycero-3-phosphocholine + H2O ⇌ {\displaystyle \rightleftharpoons } an aldehyde + sn-glycero-3-phosphocholine Thus,
Alkenylglycerophosphocholine hydrolase
Alkenylglycerophosphocholine_hydrolase
2005 supernova event in constellation Canes Venatici
SN 2005cs was a supernova in the spiral galaxy M51, known as the Whirlpool Galaxy. It was a Type II-P core-collapse supernova, discovered June 28, 2005
SN_2005cs
Supernova in the constellation Eridanus
SN 2007on was a Type Ia supernova that occurred in the elliptical galaxy NGC 1404, a member of the Fornax Cluster, in November 2007. It is classified as
SN_2007on
Supernova in the constellation Camelopardalis
SN 2010lt is a supernova located in the galaxy UGC 3378 in Camelopardalis. It was discovered by amateur astronomers Kathryn Aurora Gray, her father Paul
SN_2010lt
Energetic supernova event of 2005 in constellation Coma Berenices
SN 2005ap was an extremely energetic Type Ic supernova in the galaxy SDSS J130115.12+274327.5. With a peak absolute magnitude of around −22.7, it is the
SN_2005ap
Supernova in the constellation Cassiopeia
SN 1181 was a supernova, first observed between August 4 and August 6, 1181, recorded by Chinese and Japanese astronomers in eight separate texts. One
SN_1181
Supernova in the spiral galaxy Messier 81
SN 1993J was a supernova in Bode's Galaxy. It was discovered on 28 March 1993 by amateur astronomer Francisco Garcia Diaz in Lugo, Spain. At the time,
SN_1993J
Country in West Africa
inequality HDI (2023) 0.530 low (169th) Currency West African CFA franc (XOF) Time zone UTC±00:00 (GMT) Calling code +221 ISO 3166 code SN Internet TLD .sn
Senegal
1999 Type Ia supernova event in the constellation Ursa Major
SN 1999by was a peculiar Type Ia supernova event in the spiral galaxy NGC 2841, located in the northern constellation of Ursa Major. It was one of the
SN_1999by
Croatian football club
Varaždin Football School (Croatian: NK Varaždin Škola nogometa, Varaždin ŠN) as a phoenix club of NK Varaždin (1931–2015) in 2012 after the latter's suspension;
NK_Varaždin_(2012)
Supernova event from 1994 in constellation Canes Venatici
SN 1994I is a Type Ic supernova discovered on April 2, 1994 in the Whirlpool Galaxy by amateur astronomers Tim Puckett and Jerry Armstrong of the Atlanta
SN_1994I
Supernova
SN 2006jc was a Type Ibn supernova that was detected on October 9, 2006, in the galaxy UGC 4904, which is about 77 million light-years away in the constellation
SN_2006jc
Indian teacher of Vipassanā meditation (1924–2013)
Dharma to illuminate the world. Like the Dalai Lama and Thich Nhat Hanh, Ven. S.N. Goenka was one of the great world masters of our time. [He] was an inspiration
S._N._Goenka
Supernova in the constellation Centaurus
SN 1986G was a supernova that was observed on May 3, 1986 by Robert Evans. Its host galaxy, Centaurus A, is about 15 million light-years away in the constellation
SN_1986G
Type IIn supernova
SN 1986J was a Type IIn supernova event in NGC 891, which is an edge-on unbarred spiral galaxy in the constellation Andromeda. NGC 891 is located at a
SN_1986J
Possible supernova from an Eta Carinae analog star
SN 1997bs was a subluminous type II supernova that occurred in the intermediate spiral galaxy Messier 66, about 31 million light years from Earth, in April
SN_1997bs
1997 supernova in the Reticulum constellation
SN 1997D was a supernova discovered on 14 January 1997 by Duília de Mello in NGC 1536 in the Reticulum constellation and is a first clearly identified
SN_1997D
Helicopter in France
limited military budget, the Eurocopter AS555-SN Fennec was chosen to succeed the Lynx, with first four AS555-SN units arriving in 1996. In February 2007,
Eurocopter_Fennec
2005 supernova event in the constellation Draco
SN 2005B, the second supernova discovered in 2005, was discovered by amateur astronomer Paul Gray, of Fredericton, New Brunswick, Canada, upon reviewing
SN_2005B
Superluminous supernova in galaxy NGC 3191
SN 2017egm (also known as Gaia17biu) is a hydrogen-poor superluminous supernova (SLSN-I) discovered in 2017. It is notable as the closest known SLSN-I
SN_2017egm
Supernova in the galaxy NGC 1935
SN 1990E is Type ll supernova that occurred in the spiral galaxy NGC 1035 which is located in the Constellation of Cetus. Observations show that SN 1990E
SN_1990E
Supernova of 1940 in constellation Coma Berenices
[clarification needed] SN 1940B is one of the five supernovae discovered in 1940, the other being SN 1940A, SN 1940C, SN 1940D and SN 1940E. Guillochon, James;
SN_1940B
Supernova in the constellation Leo
SN 1988Z was a prototypical Type IIn supernova event in the equatorial constellation of Leo. The apparent host is an irregular galaxy with the designation
SN_1988Z
Soviet body armor
were created; the number indicates the year of development: SN-38 SN-39 SN-40, SN-40A SN-42, made of 2 mm steel 36SGN, the tolerances 1.8 to 2.2 mm (0
Stalnoi_Nagrudnik
Russian submachine gun
The PP-19 Vityaz (also known as the PP-19-01 "Vityaz-SN") is a 9×19mm Parabellum submachine gun developed in 2004 by Russian small arms manufacturer Izhmash
PP-19-01_Vityaz
Supernova in the Whirlpool Galaxy
SN 2011dh was a supernova in the Whirlpool Galaxy (M51). It was discovered on 31 May 2011, with an apparent magnitude 13.5. and confirmed by several sources
SN_2011dh
Type of supernova in binary systems
supernovae include: the historical supernova SN 1181, SN 1991bg, SN 2002cx, and SN 2012Z. The supernova SN 1181 is believed to be associated with the supernova
Type_Ia_supernova
Type Iax supernova
SN 2005hk was a peculiar Type Iax supernova in UGC 272, which is a barred spiral galaxy in the equatorial constellation of Cetus. This galaxy is around
SN_2005hk
Supernova from a red supergiant
SN 2024abfl was a Type ll supernova that occurred in the starburst barred spiral galaxy NGC 2146 about 41 million light years from Earth in the constellation
SN_2024abfl
Supernova in NGC 4490
SN 1982F was a Type-ll supernova event that occurred in the galaxy NGC 4490, a barred spiral galaxy located around 24 million light years from Earth in
SN_1982F
Postcode area within the United Kingdom
Template:Attached KML/SN postcode area KML is from Wikidata The SN postcode area, also known as the Swindon postcode area, is a group of eighteen postcode
SN_postcode_area
Motor vehicle
SN-95 Mustang received a facelift on December 26, 1998, for the 1999 model year with production starting in November 1998, informally known as the SN-99
Ford Mustang (fourth generation)
Ford_Mustang_(fourth_generation)
Supernova in the constellation Sagittarius
SN 386 is a probable transient astronomical event in the constellation Sagittarius, which appeared as a "guest star" that was reported by Chinese astronomers
SN_386
Type IIn supernova discovered in 2010
SN 2010jl was a luminous Type IIn supernova that was discovered on 3 November 2010, in the irregular galaxy UGC 5189A. It is located around 150 million
SN_2010jl
Nearest ultra-stripped supernova
SN 2021agco was a Type Ib supernova event located in the spiral galaxy UGC 3855 at a distance of around ~40 Mpc from Earth. It is the closest ultra-stripped
SN_2021agco
Class of enzymes
chemical reaction acyl-CoA + 1-acyl-sn-glycero-3-phosphocholine ⇌ {\displaystyle \rightleftharpoons } CoA + 1,2-diacyl-sn-glycero-3-phosphocholine Thus, the
1-acylglycerophosphocholine O-acyltransferase
1-acylglycerophosphocholine_O-acyltransferase
Fundamental Buddhist teaching
the Pali Canon: MN 79, MN 115, SN12.21, SN 12.22, SN 12.37, SN 12.41, SN 12.49, SN 12.50, SN 12.61, SN 12.62, SN 55.28, AN 10.92, Ud. 1.1 (first two lines)
Pratītyasamutpāda
July 2004 supernova event in the constellation Camelopardalis
SN 2004dj was the brightest supernova since SN 1987A at the time of its discovery. This Type II-P supernova was discovered by Japanese astronomer Kōichi
SN_2004dj
Possible supernova in 393 AD and it is in Scorpius
SN 393 is the modern designation for a probable supernova that was reported by the Chinese in the year 393 CE. An extracted record of this astronomical
SN_393
Chemical compound
SN 35210 is an arylcyclohexylamine dissociative anesthetic drug. It was derived from ketamine with the intention of producing a shorter acting agent more
SN_35210
Supernova in the constellation Sextans
SN 1000+0216 was an extremely remote hypernova or superluminous supernova (SLSN), which occurred in between June and November 2006 in the constellation
SN_1000+0216
Class of enzymes
catalyzes the reaction 1-alkyl-2-acetyl-sn-glycero-3-phosphocholine + H2O ⇌ {\displaystyle \rightleftharpoons } 1-alkyl-sn-glycero-3-phosphocholine + acetate
1-alkyl-2-acetylglycerophosphocholine esterase
1-alkyl-2-acetylglycerophosphocholine_esterase
Supernova visible from Earth in the 17th century
SN 1604, also known as Kepler's Supernova, Kepler's Nova or Kepler's Star, was a Type Ia supernova that occurred in the Milky Way, in the constellation
Kepler's_Supernova
Pair of galaxies in the constellation of Pegasus
have been observed in NGC 7753: SN 2006A (type unknown, mag. 18.1) was discovered by Tom Boles on 2 January 2006. SN 2006ch (Type Ia, mag. 16.5) was discovered
NGC_7752_and_NGC_7753
Type of group in abstract algebra
themselves be An or Sn). Sn acts on its subgroup An by conjugation, and for n ≠ 6, Sn is the full automorphism group of An: Aut(An) ≅ Sn. Conjugation by even
Symmetric_group
Class of enzymes
(3-sn-phosphatidyl)-L-serine Thus, the two substrates of this enzyme are CDP-diacylglycerol and L-serine, whereas its two products are CMP and (3-sn
CDP-diacylglycerol—serine O-phosphatidyltransferase
CDP-diacylglycerol—serine_O-phosphatidyltransferase
Supernova in the Pinwheel Galaxy
SN 2011fe, initially designated PTF 11kly, was a Type Ia supernova discovered by the Palomar Transient Factory (PTF) survey on 24 August 2011 during an
SN_2011fe
Supernova in the constellation Pisces
SN 2013ej was a Type II-P supernova in the nearby spiral galaxy Messier 74 (NGC 628). It was discovered by the Lick Observatory Supernova Search on July
SN_2013ej
Type Ia supernova in Virgo
SN 1994D was a Type Ia supernova event on the outskirts of galaxy NGC 4526, which was discovered on 7 March 1994. It was offset by 9.0″ west and 7.8″ south
SN_1994D
Supernova in the galaxy NGC 1566
SN 2021aefx is a Type Ia supernova discovered in 2021 in the galaxy NGC 1566. SN 2021aefx was discovered on November 11, 2021, by the Distance Less Than
SN_2021aefx
Class of enzymes
catalyzes the chemical reaction acyl-CoA + sn-glycerol 3-phosphate ⇌ {\displaystyle \rightleftharpoons } CoA + 1-acyl-sn-glycerol 3-phosphate Thus, the two substrates
Glycerol-3-phosphate O-acyltransferase
Glycerol-3-phosphate_O-acyltransferase
Galaxy in the constellation Draco
observed in NGC 6373: SN 2001ad (Type II, mag. 17.4) was discovered by the Beijing Astronomical Observatory (BAO) on 11 March 2001. SN 2012an (Type IIb, mag
NGC_6373
Galaxy in the constellation Hydra
supernovae have been observed in M83: SN 1923A (type unknown, mag. 14) was discovered by Carl Otto Lampland on 5 May 1923. SN 1945B (type unknown, mag. 14.2)
Messier_83
Chemical compound
solid with the formula SnCl2. It forms a stable dihydrate, but aqueous solutions tend to undergo hydrolysis, particularly if hot. SnCl2 is widely used as
Tin(II)_chloride
1885 supernova in the Andromeda Galaxy
SN 1885A (also S Andromedae) was a supernova in the Andromeda Galaxy, the only one seen in that galaxy by astronomers. It was the first supernova ever
SN_1885A
Brussels Airlines of Belgium serves the following destinations as of October 2025: "Our destinations". Brusselsairlines.com. 9 October 2020. "Brussels
List of Brussels Airlines destinations
List_of_Brussels_Airlines_destinations
Galaxy in the constellation Ursa Major
supernovae have been recorded in M101: SN 1909A (type unknown, mag. 10) was discovered by Max Wolf on 21 February 1909. SN 1951H (type unknown, mag. 17.5) was
Pinwheel_Galaxy
Chemical compound known as stannic oxide, cassiterite and tin ore
as stannic oxide, is the inorganic compound with the formula SnO2. The mineral form of SnO2 is called cassiterite, and this is the main ore of tin. With
Tin(IV)_oxide
Supernova
SN 2008D was a supernova detected with NASA's Swift X-ray telescope. The explosion of the supernova precursor star, in the spiral galaxy NGC 2770 (88 million
SN_2008D
Chemical compound
L-α-Glycerophosphorylcholine (alpha-GPC, choline alfoscerate, sn-glycero-3-phosphocholine) is a natural choline compound found in the brain. It is also
Glycerophosphorylcholine
Supernova from a binary star system
SN 2021hpr was a Type Ia supernova located in the Constellation of Draco that occurred in the spiral galaxy NGC 3147 at a distance of around 147 million
SN_2021hpr
Stellar explosions that appear to be supernovae
include the Great Eruption of Eta Carinae, P Cygni, SN 1961V, SN 1954J, SN 1997bs, SN 2008S, and SN 2010dn where detections of the surviving progenitor
Supernova_impostor
Supernova in Cetus
SN UDS10Wil (SN Wilson) is a type Ia supernova, and as of April 2013, the farthest known. It has a redshift of 1.914, which strongly implies that it exploded
SN_UDS10Wil
travel, tourism, insurance
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travel, tourism, insurance