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langs: 28 декабря [ru] / december 28 [en] / 28. dezember [de] / 28 décembre [fr] / 28 dicembre [it] / 28 de diciembre [es]

days: december 25 / december 26 / december 27 / december 28 / december 29 / december 30 / december 31

Asteroid / Asteroid


#1 (308635) 2005 YU55

(308635) 2005 YU 55 , provisionally named 2005 YU 55 , is a potentially hazardous asteroid [2] 360 ± 40 meters in diameter, as measured after its Earth flyby. [8] Previously it was estimated to be 310   meters [5] or about 400   m (1,300 feet ) in diameter. [6] [7] It was discovered on 28   December

#2 2181 Fogelin

2181 Fogelin ( prov. designation : 1942 YA ) is an Eunomia asteroid from the central regions of the asteroid belt , approximately 11 kilometers (7 miles) in diameter. It was discovered on 28 December 1942, by Germany astronomer Karl Reinmuth at the Heidelberg Observatory in southwest Germany. [1] In

#3 (152680) 1998 KJ9

(152680) 1998 KJ 9 is a sub-kilometer asteroid , classified as near-Earth object and potentially hazardous asteroid of the Apollo group . [2] Based on absolute magnitude , it is the third largest asteroid known to have passed closer than the Moon. [5] (152680) 1998 KJ 9 Discovery [1] Discovered   by

#4 7655 Adamries

7655 Adamries , provisional designation 1991 YM 1 , is a Nysa asteroid from the inner regions of the asteroid belt , approximately 4 kilometers in diameter. It was discovered on 28 December 1991, by German astronomer Freimut Börngen at Karl Schwarzschild Observatory in Tautenburg, eastern Germany. [

#5 Haumea

Haumea ( minor-planet designation 136108 Haumea ) is a dwarf planet located beyond Neptune 's orbit. [24] It was discovered in 2004 by a team headed by Mike Brown of Caltech at the Palomar Observatory in the United States and disputably also in 2005 by a team headed by José Luis Ortiz Moreno at the

#6 1659 Punkaharju

1659 Punkaharju , provisional designation 1940 YL , is a stony Postremian asteroid from the middle region of the asteroid belt , approximately 30 kilometers in diameter. It was discovered on 28 December 1940, by Finnish astronomer Yrjö Väisälä at Turku Observatory in Southwest Finland. [13] It is na

#7 2007 WD5

2007 WD 5 is an Apollo asteroid some 50   m (160   ft) in diameter [2] and a Mars-crosser asteroid first observed on 20 November 2007, by Andrea Boattini of the Catalina Sky Survey . Early observations of 2007 WD 5 caused excitement amongst the scientific community when it was estimated as having as

#8 398 Admete

Admete ( minor planet designation : 398 Admete ), provisional designation 1894 BN, is a dark, carbonaceous asteroid from the outer region of the asteroid belt , about 47 kilometers in diameter. It was discovered on 28 December 1894, by French astronomer Auguste Charlois at Nice Observatory in southe

#9 (471240) 2011 BT15

(471240) 2011 BT 15 , provisional designation 2011 BT 15 , is a stony, sub-kilometer sized asteroid and fast rotator , classified as a near-Earth object and potentially hazardous asteroid of the Apollo group . [1] It had been one of the objects with the highest impact threat on the Palermo Technical

#10 425 Cornelia

Cornelia ( minor planet designation : 425 Cornelia ) is a large Main belt asteroid . It was discovered by Auguste Charlois on 28 December 1896 in Nice . It is named after Cornelia Africana . [3] 425 Cornelia Modelled shape of Cornelia from its lightcurve Discovery Discovered   by Auguste Charlois Di

#11 2015 YU9

2015 YU 9 , also known as 2015 YB [lower-alpha 1] and WY032FF , is a sub-kilometer Hungaria asteroid from the inner region of the asteroid belt , approximately 350 meters in diameter. It was first observed on 16 December 2015, by the Catalina Sky Survey at Mount Lemmon Observatory in Arizona, United


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Book / Book


#1 Poor Richard's Almanack

Poor Richard's Almanack (sometimes Almanac ) was a yearly almanac published by Benjamin Franklin , who adopted the pseudonym of "Poor Richard" or "Richard Saunders" for this purpose. The publication appeared continually from 1732 to 1758. It sold exceptionally well for a pamphlet published in the Th

#2 Sidereus Nuncius

Sidereus Nuncius (usually Sidereal Messenger , also Starry Messenger or Sidereal Message ) is a short astronomical treatise (or pamphlet ) published in New Latin by Galileo Galilei on March 13, 1610. [1] It was the first published scientific work based on observations made through a telescope , and


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Comet / Comet


#1 114P/Wiseman–Skiff

114P/Wiseman–Skiff is a periodic comet in the Solar System . Periodic comet with 6 year orbit 114P/Wiseman-Skiff Discovery Discovered by Jennifer Wiseman Brian A. Skiff Discovery date December 28, 1986 Alternative designations 1986 Y1; 1987b; 1993 IX; 1993u; 1993 X2 Orbital characteristics A Epoch M

#2 Comet ISON

Comet ISON , formally known as C/2012 S1 , was a sungrazing comet from the Oort cloud which was discovered on 21 September 2012 by Vitaly Nevsky (Виталий Невский, Vitebsk , Belarus ) and Artyom Novichonok (Артём Новичонок, Kondopoga , Russia ). [4] Oort cloud comet C/2012 S1 (ISON) Comet ISON as cap

#3 Comet Bennett

Comet Bennett , formally known as C/1969 Y1 (old style 1970 II and 1969i ), was one of two comets to pass earth in the 1970s, along with Comet West . The name is also borne by an altogether different comet, C/1974 V2 . Discovered by John Caister Bennett on December 28, 1969 while still almost two AU

#4 Comet Kohoutek

Comet Kohoutek ( formally designated C/1973 E1 and formerly as 1973 XII and 1973f ) [lower-alpha 3] is a comet that passed close to the Sun towards the end of 1973. Early predictions of the comet's peak brightness suggested that it had the potential to become one of the brightest comets of the 20th

#5 C/2019 Y4 (ATLAS)

C/2019 Y4 (ATLAS) (or Comet ATLAS ) is a comet with a near-parabolic orbit discovered by the ATLAS survey on December 28, 2019. [3] Early predictions based on the brightening rate suggested that the comet could become as bright as magnitude 0 matching the brightness of Vega . [4] It received widespr

#6 2I/Borisov

2I/Borisov , originally designated C/2019 Q4 (Borisov) , [8] is the first observed rogue comet and the second observed interstellar interloper after ʻOumuamua . [9] [10] It was discovered by the Crimean amateur astronomer and telescope maker Gennadiy Borisov on 29   August 2019 UTC (30   August loca

#7 C/2021 A1 (Leonard)

C/2021 A1 (Leonard) was a long period comet [4] that was discovered by G. J. Leonard at the Mount Lemmon Observatory on 3 January 2021 (a year before perihelion ) when the comet was 5   AU (750   million   km ) from the Sun. [1] It had a retrograde orbit. The nucleus was about 1   km (0.6   mi) acro

#8 C/2017 T2 (PanSTARRS)

C/2017 T2 (PanSTARRS) is an Oort cloud comet discovered on 2 October 2017 when it was 9.2   AU (1.38   billion   km) from the Sun. The closest approach to Earth was on 28 December 2019 at a distance of 1.52   AU (227   million   km) . It came to perihelion (closest approach to the Sun) on 4 May 2020

#9 19P/Borrelly

Comet Borrelly / b ɒ ˈ r ɛ l i / or Borrelly's Comet (official designation: 19P/Borrelly ) is a periodic comet , which was visited by the spacecraft Deep Space 1 in 2001. The comet last came to perihelion (closest approach to the Sun) on February 1, 2022 [1] [8] and will next come to perihelion on D


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Galaxy / Galaxy


#1 NGC 196

NGC 196 is a lenticular galaxy located in the constellation Cetus . It was discovered on December 28, 1790 by William Herschel . [2] Lenticular galaxy in the constellation Cetus NGC 196 NGC 196 (above) and NGC 197 (below) by the SDSS Observation data ( J2000 epoch ) Constellation Cetus Right ascensi

#2 NGC 2906

NGC 2906 is a spiral galaxy located in the constellation Leo . It is located at a distance of circa 120 million light years from Earth, which, given its apparent dimensions, means that NGC 2906 is about 75,000 light years across. It was discovered by William Herschel on December 28, 1785. [3] Spiral

#3 NGC 1342

NGC 1342 is an open cluster in the constellation Perseus . It was discovered by William Herschel on 28 December 1799. It is located in the south of the constellation, almost halfway between Algol (β Persei) and ζ Persei , away from the plane of the Milky Way. NGC 1342 has an apparent size of 17' and

#4 NGC 4464

NGC 4464 is an elliptical galaxy located about 70 million light-years away [2] in the constellation of Virgo . [3] NGC 4464 was discovered by astronomer William Herschel on December 28, 1785. [4] NGC 4464 is a member of the Virgo Cluster . [5] Elliptical galaxy in the constellation of Virgo NGC 4464

#5 NGC 4725

NGC 4725 is an intermediate barred spiral galaxy with a prominent ring structure, [9] located in the northern constellation of Coma Berenices near the north galactic pole . [10] It was discovered by German-born astronomer William Herschel on April 6, 1785. [11] The galaxy lies at a distance of appro

#6 NGC 192

NGC 192 is a spiral galaxy in the constellation Cetus . It was discovered on December 28, 1790 by William Herschel . [2] Spiral galaxy in the constellation Cetus NGC 192 NGC 192 (bottom left) as taken by the Hubble Space Telescope Observation data ( J2000 epoch ) Constellation Cetus Right ascension

#7 NGC 4492

NGC 4492 is a spiral galaxy [4] located about 90 million light-years away [2] in the constellation Virgo . [5] NGC 4492 was discovered by astronomer William Herschel on December 28, 1785. It was rediscovered by astronomer Arnold Schwassmann on January 23, 1900 and was listed as IC 3438. [6] NGC 4492

#8 NGC 2022

NGC 2022 is a planetary nebula in the equatorial constellation of Orion , located at a distance of 8.21 kilolight-years from the Sun . [3] It was first observed by William Herschel on December 28, 1785, who described it as: considerably bright, nearly round, like a star with a large diameter, like a

#9 NGC 1995

NGC 1995 (also known as PGC 3325910 ) is a double star located in the Pictor constellation. It was discovered by John Herschel on December 28, 1834. [4] [5] Its size is 0.78 arc minutes . [1] In some sources, such as VizieR , NGC 1995 is misidentified as the nearby lenticular galaxy NGC 1998 . [6] D

#10 NGC 1545

NGC 1545 is an open cluster in the constellation Perseus . It was discovered by William Herschel on December 28, 1790. [3] It is located in the north-eastern part of the constellation, a few arcminutes east of the 4.5 magnitude star b Persei , near the equally large and bright NGC 1528 (m = 6.4), wh

#11 NGC 4488

NGC 4488 is a lenticular galaxy [2] [3] located about 60 million light-years away [3] in the constellation of Virgo . [4] The galaxy was discovered by astronomer William Herschel on December 28, 1785. [2] NGC 4488 is a member of the Virgo Cluster . [5] [6] Lenticular galaxy in the constellation of V

#12 NGC 1998

NGC 1998 (also known as ESO 204-15 , PGC 17434 ) is a lenticular galaxy located in the Pictor constellation. It was discovered by John Herschel on December 28, 1834 [4] and is about 207 million light-years from the Milky Way . Its apparent magnitude is 14.3. [3] and its size is 0.90 by 0.5 arc minut

#13 NGC 201

NGC 201 is a spiral galaxy in the constellation of Cetus . It is one of the group members of HCG 7, with the other group members NGC 192 , NGC 196 , and NGC 197 . It was discovered on December 28, 1790 by William Herschel . [2] Spiral galaxy in the constellation Cetus NGC 201 Hubble Space Telescope


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Institution / Institution


#1 Air Force Maui Optical and Supercomputing observatory

The Air Force Maui Optical and Supercomputing observatory is an Air Force Research Laboratory (AFRL) operating location at Haleakala Observatory on Maui , Hawaii , with a twofold mission ( 608 ). First, it conducts the research and development mission on the Maui Space Surveillance System (MSSS) at

#2 Château de Meudon

Meudon Castle , also known as the Royal Castle of Meudon or Imperial Palace of Meudon, is a French castle located in Meudon in the Hauts-de-Seine department . At the edge of a wooded plateau, the castle offers views of Paris and the Seine , as well as of the Chalais valley. Located between Paris and

#3 Ametlla de Mar Observatory

Ametlla de Mar Observatory is an astronomical observatory situated in L'Ametlla de Mar in the autonomous Catalonia region of Spain. [1] It has received the IAU observatory code 946 and is operated by Catalan astronomer Jaume Nomen . The observatory participates in the "Unicorn Project" and in the Mi

#4 Santa Lucia Stroncone Astronomical Observatory

The Santa Lucia Stroncone Astronomical Observatory ( Italian : Osservatorio Astrometrico Santa Lucia Stroncone ) is an astronomical observatory located at 350 metres (1,150   ft) altitude in Stroncone , near the city of Terni , in Umbria , north central Italy. Minor planets discovered: 55   [1] see

#5 Purple Mountain Observatory

The Purple Mountain Observatory ( Chinese : 紫金山天文台 ; pinyin : Zǐjīnshān Tiānwéntái ), also known as Zijinshan Astronomical Observatory is an astronomical observatory located on the Purple Mountain in the east of Nanjing . [lower-alpha 1] Observatory Purple Mountain Observatory Purple Mountain Observ

#6 El Hierro Launch Centre

El Hierro Launch Centre (in Spanish: Centro de Lanzamiento Espacial de La Isla de El Hierro ) is a proposed project by Instituto Nacional de Técnica Aeroespacial (INTA) to create a spaceport on the island of El Hierro , called the "Meridian Zero Island" as it was the westernmost position of the know


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Meteorite / Meteorite


#1 HIP 57274 d

HIP 57274 d is an exoplanet orbiting the K-type main sequence star HIP 57274 about 84.5 light-years (26 parsecs , or nearly 8.022 × 10 16 km ) from Earth in the constellation Cetus . It orbits within the outer part of its star's habitable zone , at a distance of 1.01 AU . The exoplanet was found by

#2 Ourique (meteorite)

Ourique is a H4 meteorite fallen in 1998 in Portugal . Ourique Type Chondrite Class Ordinary chondrite Group H4 Composition olivine Fa18.3; pyroxene Fs16.4; Country Portugal Region Beja Coordinates 37°36′30″N 8°16′48″W [1] Observed fall Yes Fall date December 28, 1998 TKW >20 kg


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Researcher / Researcher


#1 Spiru Haret

Spiru C. Haret ( Romanian pronunciation:   [ˈspiru haˈret] ; 15 February 1851 – 17 December 1912) was a Romanian mathematician , astronomer , and politician . He made a fundamental contribution to the n -body problem in celestial mechanics by proving that using a third degree approximation for the d

#2 John V. McClusky

John V. McClusky is an American astronomer . He is a prolific discoverer of asteroids . [2] American astronomer Minor planets discovered: 156   [1] see §   List of discovered minor planets

#3 Paul G. Comba

Paul G. Comba (1926 – April 5, 2017) was an Italian-American computer scientist , an amateur astronomer and a prolific discoverer of minor planets . [2] Paul G. Comba Born 1926   ( 1926 ) Tunisia Died April 4, 2017 (2017-04-04) (aged   90–91) Education Ph.D. Alma   mater University of Turin , Blufft

#4 John Caister Bennett

John Caister "Jack" Bennett (born 6 April 1914 in Estcourt , Natal , died 30 May 1990 in Pretoria ), was a South African civil servant and amateur astronomer. [1] His mother was British and his father was from Tasmania . He attended school in Ficksburg and began to work in public service after gradu

#5 Freimut Börngen

Freimut Börngen ( German: [ˈfʁaɪmuːt ˈbœʁŋən] ; 17 October 1930 – 19 June 2021) was a German astronomer and a prolific discoverer of minor planets . [2] A few sources give his first name wrongly as "Freimuth". The Minor Planet Center credits him as F. Borngen . German astronomer (1930–2021) Minor pl

#6 Sandra Faber

Sandra Moore Faber (born December 28, 1944) is an American astrophysicist known for her research on the evolution of galaxies . She is the University Professor of Astronomy and Astrophysics at the University of California, Santa Cruz , and works at the Lick Observatory . She has made discoveries lin

#7 Jaume Nomen

Jaume Nomen Torres (also: Jaime Nomen ; born June 23, 1960 in Tortosa , Catalonia) is a Spanish oral and maxillofacial surgeon , amateur astronomer and discoverer of numerous minor planets . He is of Catalan origin and became publicly known for the discovery of the near-Earth asteroid 2012 DA 14 (la

#8 Lenka Kotková

Lenka Kotková ( née Šarounová ; born 26 July 1973) is a Czech astronomer and a discoverer of minor planets . Czech astronomer, asteroid discoverer Lenka Kotková ( née Šarounová) Lenka Kotková at the Ondřejov Observatory Born ( 1973-07-26 ) 26 July 1973 (age   48) Dobřichovice , Czechoslovakia Nation

#9 Arthur Eddington

Sir Arthur Stanley Eddington OM FRS [2] (28 December 1882 – 22 November 1944) was an English astronomer, physicist, and mathematician. He was also a philosopher of science and a populariser of science. The Eddington limit , the natural limit to the luminosity of stars, or the radiation generated by

#10 Carol Christian

Carol Ann Christian (born 28 December 1950) is an American astronomer and science communicator , who works for the Space Telescope Science Institute (STScI; the science operations center for the Hubble Space Telescope ) as a scientist on the institute's outreach program. American astronomer For the

#11 William Yolland

William Yolland CB , FRS FRSA (17 March 1810 – 4 September 1885) was an English military surveyor, astronomer and engineer, and was Britain's Chief Inspector of Railways from 1877 until his death. He was a redoubtable campaigner for railway safety, often in the face of strong opposition, at a time w

#12 Antonín Mrkos

Antonín Mrkos ( Czech pronunciation: [ˈantoɲiːn ˈmr̩kos] ) (27 January 1918, Střemchoví – 29 May 1996, Prague ) was a Czech astronomer . Czech astronomer Antonín Mrkos Minor planets discovered: 274   [1] see §   List of discovered minor planets

#13 Takeshi Urata

Takeshi Urata ( 浦田 武 , Urata Takeshi , 1947 – December 15, 2012) [2] was a Japanese astronomer . He was a prolific discoverer of asteroids , observing at Nihondaira Observatory . Japanese astronomer Minor planets discovered: 642   [1] see §   List of discovered minor planets In 1978 he became the fi

#14 Krisztián Sárneczky

Krisztián Sárneczky (born 6 November 1974 in Budapest ) is a Hungarian teacher of geography [1] and prolific discoverer of minor planets and supernovae , researching at Konkoly Observatory in Budapest, Hungary. He is a board member of the Hungarian Astronomical Association (HAA) [2] and member of th

#15 Paul Wild (Swiss astronomer)

Paul Wild ( German: [ˈvɪlt] ; 5 October 1925 – 2 July 2014) was a Swiss astronomer and director of the Astronomical Institute of the University of Bern , who discovered numerous comets , asteroids and supernovae . [1] [2] Swiss astronomer Paul Wild Paul Wild at University of Bern in 2006 Born ( 1925

#16 Jana Tichá

Jana Tichá (born 1965 in České Budějovice ) is a Czech astronomer and discoverer of minor planets . She studied at the University of Economics in Prague and graduated in 1987. In 1992 she was selected for the position of a director of the Kleť Observatory . Czech astronomer Jana Tichá with her ex-hu

#17 Robert H. McNaught

Robert H. McNaught (born in Scotland in 1956) is a Scottish-Australian astronomer at the Research School of Astronomy and Astrophysics of the Australian National University (ANU). He has collaborated with David J. Asher of the Armagh Observatory . Scottish-Australian astronomer (born 1956) Minor pla

#18 Halton Arp

Halton Christian "Chip" Arp (March 21, 1927 – December 28, 2013) was an American astronomer . He was known for his 1966 Atlas of Peculiar Galaxies , which (it was later theorized) catalogues many examples of interacting and merging galaxies , though Arp disputed the idea, claiming apparent associati

#19 Nobuhiro Kawasato

Nobuhiro Kawasato ( 川里 信弘 , Kawasato Nobuhiro ) is a Japanese astronomer credited by the Minor Planet Center with the discovery of 105 asteroids he made partially in collaboration with astronomer Tsutomu Hioki at Okutama Observatory ( 877 ), Japan, between 1988 and 2000. [1] [2] Japanese astronomer

#20 Heinrich Christian Schumacher

Prof Heinrich Christian Schumacher FRS(For) FRSE (3 September 1780 – 28 December 1850) was a German - Danish astronomer and mathematician. German-Danish astronomer and mathematician Not to be confused with Heinrich Christian Friedrich Schumacher . Heinrich Christian Schumacher


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Science / Science


#1 Geologic Calendar

The Geologic Calendar is a scale in which the geological lifetime of the Earth is mapped onto a calendrical year; that is to say, the day one of the Earth took place on a geologic January 1 at precisely midnight, and today's date and time is December 31 at midnight. [1] On this calendar, the inferre


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Star / Star


#1 KT Eridani

KT Eridani ( Nova Eridani 2009 ) was a bright nova in the constellation Eridanus that produced an outburst in 2009. It was the first classical nova ever detected in that constellation. [6] The nova was discovered at 12:52 UT on 25 November 2009 by K. Itagaki at Yamagata , Japan with a 21   cm patrol

#2 Delta Cephei

Delta Cephei (δ Cep, δ Cephei) is the Bayer designation for a quadruple star system [4] located approximately 887 light-years away in the northern circumpolar constellation of Cepheus , the King. At this distance, the visual magnitude of the star is diminished by 0.23 as a result of extinction cause


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