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langs: 25 декабря [ru] / december 25 [en] / 25. dezember [de] / 25 décembre [fr] / 25 dicembre [it] / 25 de diciembre [es]

days: december 22 / december 23 / december 24 / december 25 / december 26 / december 27 / december 28

Asteroid / Asteroid


#1 101955 Bennu

101955 Bennu (provisional designation 1999 RQ 36 ) [9] is a carbonaceous asteroid in the Apollo group discovered by the LINEAR Project on 11 September 1999. It is a potentially hazardous object that is listed on the Sentry Risk Table and tied for the highest cumulative rating on the Palermo Technica

#2 27 Euterpe

Euterpe , minor planet designation 27 Euterpe , is a stony asteroid and parent body of the Euterpe family , located in the inner asteroid belt , approximately 100 kilometers in diameter. It was discovered by English astronomer John Russell Hind at George Bishop's Observatory in London on 8 November

#3 50000 Quaoar

Quaoar ( 50000 Quaoar ), provisional designation 2002 LM 60 , is a dwarf planet in the Kuiper belt , a region of icy planetesimals beyond Neptune . A non-resonant object ( cubewano ), it measures approximately 1,121   km (697   mi) in diameter, about half the diameter of Pluto . The object was disco

#4 2020 AP1

2020 AP 1 is an Apollo near-Earth object roughly 5 meters (20 feet) in diameter. On 2 January 2020 it passed 0.00218   AU (326   thousand   km ; 0.85   LD ) from Earth. With a short 1-day observation arc it was roughly expected to pass about 0.01   AU (1.5   million   km ; 3.9   LD ) from Earth on 7

#5 216433 Milianleo

216433 Milianleo , provisional designation 2009 DM 3 , is an Aeolia asteroid from the central region of the asteroid belt , approximately 1.6 kilometers (1 mile) in diameter. It was discovered 19 February 2009, by German amateur astronomer Erwin Schwab using a remote-controlled telescope at Tzec Mau

#6 (454101) 2013 BP73

(454101) 2013 BP 73 , provisional designation 2013 BP 73 , is a sub-kilometer asteroid , classified as a near-Earth object and potentially hazardous asteroid of the Apollo group , approximately 310 meters (1,020   ft) in diameter. [3] (454101) 2013 BP 73 Discovery [1] [2] Discovered   by Mount Lemmo

#7 7517 Alisondoane

7517 Alisondoane ( prov. designation : 1989 AD ) is a dark background asteroid from the inner regions of the asteroid belt . It was discovered on 3 January 1989, by Japanese amateur astronomer Takuo Kojima at the YGCO Chiyoda Station in the northern Kantō region of Japan. The carbonaceous C-type ast

#8 (163899) 2003 SD220

(163899) 2003 SD 220 is a sub-kilometer asteroid and tumbling slow rotator , classified as near-Earth object and potentially hazardous asteroid of the Aten group , which orbit the Sun between Venus and Earth . Its orbital period of 0.75 years means that it orbits the sun about 4 times for every 3 of

#9 15460 Manca

15460 Manca , provisional designation 1998 YD 10 , is a Koronian asteroid from the outer region of the asteroid belt , approximately 5 kilometers in diameter. 15460 Manca Discovery [1] Discovered   by A. Boattini L. Tesi Discovery   site San Marcello Pistoiese Obs. Discovery   date 25 December 1998

#10 3200 Phaethon

3200 Phaethon / ˈ f eɪ . ə θ ɒ n / (previously sometimes spelled Phaeton ), provisional designation 1983 TB , is an active [8] Apollo asteroid with an orbit that brings it closer to the Sun than any other named asteroid (though there are numerous unnamed asteroids with smaller perihelia, such as (13

#11 4951 Iwamoto

4951 Iwamoto , provisional designation 1990 BM , is a stony, synchronous binary [lower-alpha 1] asteroid and slow rotator from the inner regions of the asteroid belt , approximately 5.5 kilometers in diameter. It was discovered on 21 January 1990, by Japanese astronomers Yoshikane Mizuno and Toshima

#12 52246 Donaldjohanson

52246 Donaldjohanson , provisional designation 1981 EQ 5 , is a carbonaceous Erigonian asteroid from the inner regions of the asteroid belt , approximately 4 kilometers (2.5 miles) in diameter. It was discovered on 2 March 1981, by American astronomer Schelte Bus at the Siding Spring Observatory in

#13 (501647) 2014 SD224

(501647) 2014 SD 224 is an Aten near-Earth asteroid around 150 meters (490 feet) in diameter. It was discovered on 22 September 2014 when the asteroid was 0.29   AU (43   million   km ; 110   LD ) from Earth and had a solar elongation of 123 degrees. The glare of the Sun had masked the approach of t


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Comet / Comet


#1 C/2011 J2 (LINEAR)

C/2011 J2 (LINEAR) is an Oort cloud comet discovered on 4 May 2011 by LINEAR at an apparent magnitude of 19.7 using a 1-meter (39   in) Reflecting telescope . [1] [2] As of September 2014 the comet is around apparent magnitude 17. [3] Oort cloud comet C/2011 J2 (LINEAR) Discovery Discovered by LINEA

#2 Halley's Comet

Halley's Comet or Comet Halley , officially designated 1P/Halley , is a short-period comet visible from Earth every 75–79 years. [1] Halley is the only known short-period comet that is regularly visible to the naked eye from Earth, and thus the only naked-eye comet that can appear twice in a human l

#3 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

#4 45P/Honda–Mrkos–Pajdušáková

45P/Honda–Mrkos–Pajdušáková is a short-period comet discovered by Minoru Honda December 3, 1948. [8] It is named after Minoru Honda , Antonín Mrkos , and Ľudmila Pajdušáková . The object revolves around the Sun on an elliptical orbit with a period of 5.25 years. [1] The nucleus is 1.3 kilometers in

#5 101P/Chernykh

101P/Chernykh [5] is a periodic comet which was first discovered on August 19, 1977, by Nikolaj Stepanovich Chernykh . [6] Periodic comet with 13 year orbit 101P/Chernykh Discovery Discovered by Nikolai Stepanovich Chernykh Discovery date August 19, 1977 Alternative designations 1978 IV; 1992 II Orb

#6 C/2011 W3 (Lovejoy)

Comet Lovejoy , formally designated C/2011 W3 (Lovejoy) , is a long-period comet and Kreutz sungrazer . It was discovered in November 2011 by Australian amateur astronomer Terry Lovejoy . The comet's perihelion took it through the Sun's corona on 16 December 2011, after which it emerged intact, thou


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Galaxy / Galaxy


#1 NGC 128

NGC 128 is a lenticular galaxy in the constellation Pisces . It is approximately 190 million light-years from the Sun and has a diameter of about 165,000 light-years. [2] Elliptical galaxy in Pisces NGC 128 NGC 128 with smaller galaxies NGC 130 (left) and NGC 127 (right) Observation data (J2000 epoc

#2 NGC 125

NGC 125 (also known as PGC 1772 ) is a lenticular galaxy located in the constellation Pisces . It is designated as subclass Sa Ring in the galaxy morphological classification scheme . It lies approximately 235 million light-years away. [4] [2] [3] Lenticular galaxy in Pisces NGC 125 NGC 125 (right)

#3 NGC 1379

NGC 1379 is a low-luminosity elliptical galaxy in the southern constellation Fornax . It was discovered by William Herschel on December 25, 1835. Elliptical galaxy in the constellation Fornax NGC 1379 Optical image of NGC 1379 Observation data ( J2000 epoch ) Constellation Fornax Right ascension 03

#4 NGC 200

NGC 200 is a spiral galaxy located in the constellation Pisces . It was discovered on December 25, 1790 by William Herschel . [2] Spiral galaxy in the constellation Pisces NGC 200 SDSS image of NGC 200 Observation data ( J2000 epoch ) Constellation Pisces Right ascension 00 h 39 m 34.9 s [1] Declina

#5 NGC 1387

NGC 1387 is a lenticular galaxy in the constellation Fornax , in the Fornax Cluster . It was discovered by William Herschel on December 25, 1835. Galaxy in the constellation Fornax NGC 1387 Hubble Space Telescope image of NGC 1387 Observation data ( J2000 epoch ) Constellation Fornax Right ascension

#6 NGC 182

NGC 182 is a spiral galaxy with a ring structure, located in the constellation Pisces . It was discovered on December 25, 1790 by William Herschel . [2] Spiral galaxy in Pisces NGC 182 NGC 182 as seen on SDSS Observation data ( J2000 epoch ) Constellation Pisces Right ascension 00 h 38 m 12.4 s [1]

#7 NGC 198

NGC 198 is a spiral galaxy located in the constellation Pisces . It was discovered on December 25, 1790 by William Herschel . [2] Spiral galaxy in the constellation Pisces NGC 198 SDSS image of NGC 198 Observation data ( J2000 epoch ) Constellation Pisces Right ascension 00 h 39 m 23.0 s [1] Declina

#8 NGC 194

NGC 194 is an elliptical galaxy located in the constellation Pisces . It was discovered on December 25, 1790 by William Herschel . [2] Elliptical galaxy in the constellation Pisces NGC 194 SDSS image of NGC 194 Observation data ( J2000 epoch ) Constellation Pisces Right ascension 00 h 39 m 18.4 s [1


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Institution / Institution


#1 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

#2 Astronomy and Astrophysics Decadal Survey

The Astronomy and Astrophysics Decadal Survey is a review of astronomy and astrophysics literature produced approximately every ten years by the National Research Council of the National Academy of Sciences in the United States. The report surveys the current state of the field, identifies research

#3 Črni Vrh Observatory

The Črni Vrh Observatory ( Slovene : Observatorij Črni Vrh , IAU code : 106 ) is an astronomical observatory located in western Slovenia , close to the settlement of Črni Vrh , near the town of Idrija . The current observatory was built in 1985 and stands at an elevation of 730 metres (2,400   ft) .

#4 Slooh

Slooh is a robotic telescope service that can be viewed live through a web browser . It was not the first robotic telescope, but it was the first that offered "live" viewing through a telescope via the web . [2] Other online telescopes traditionally email a picture to the recipient. The site has a p


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Meteorite / Meteorite


#1 TRAPPIST-1e

TRAPPIST-1e , also designated as 2MASS J23062928-0502285 e , is a rocky , close-to-Earth-sized exoplanet orbiting within the habitable zone around the ultracool dwarf star TRAPPIST-1 approximately 40 light-years (12 parsecs ; 380   trillion kilometers ; 240   trillion miles ) away from Earth in the


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Researcher / Researcher


#1 Snježana Kordić

Snježana Kordić ( pronounced   [sɲěʒana kôːrditɕ] ( listen ) ; born 29 October 1964) [1] is a Croatian linguist . [3] In addition to her work in syntax , she has written on sociolinguistics . [2] Kordić is known among non-specialists for numerous articles against the puristic and prescriptive langua

#2 Stefano Sposetti

Stefano Sposetti (born 22 December 1958) is a Swiss amateur astronomer and a prolific discoverer of minor planets . [2] [3] He lives in Gnosca , in the Italian-speaking part of Switzerland in the Ticino Alps , where the Gnosca Observatory is located. Swiss astronomer Flyby of Asteroid 2004 FH in Mar

#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 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

#5 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

#6 Gillian Wright (astronomer)

Professor Gillian Wright MBE, FRSE is a Scottish astronomer who is currently the director of the UK Astronomy Technology Centre in Edinburgh, UK. She has also been involved in the development and construction of the James Webb Space Telescope as the European Principal Investigator for the Mid-Infrar

#7 Fernand Rigaux

Fernand Rigaux (1905 – 21 September 1962) was a Belgian astronomer and observer of variable stars , minor planets and comets at the Royal Observatory at Uccle, Belgium . [2] [3] Belgian astronomer Minor planets discovered: 8   [1] 1292 Luce 17 September 1933 MPC 1378 Leonce 21 February 1936 MPC 1458

#8 Gerhard Herzberg

Gerhard Heinrich Friedrich Otto Julius Herzberg , PC CC FRSC FRS [1] ( German: [ˈɡeːɐ̯.haʁt ˈhɛʁt͡sˌbɛʁk] ( listen ) ; December 25, 1904 – March 3, 1999) was a German - Canadian pioneering physicist and physical chemist , who won the Nobel Prize for Chemistry in 1971, "for his contributions to the k

#9 Percy B. Molesworth

Percy Braybrooke Molesworth (2 April 1867 in Colombo – 25 December 1908) was a Major in the corps of Royal Engineers and an amateur astronomer . British astronomer

#10 Giuseppe Bianchi (astronomer)

Giuseppe Bianchi (13 October 1791 in Modena – 25 December 1866) was an Italian astronomer. Italian astronomer This article does not cite any sources . ( April 2022 ) for others with the same name see Giuseppe Bianchi (disambiguation) After studying mathematics, physics, and astronomy at Padua, Bianc

#11 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

#12 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

#13 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

#14 Joseph Edward Evans

Joseph Edward Evans (18 September 1855 – 25 December 1938) was a British schoolmaster and amateur astronomer , headmaster of the Royal Hospital School in Greenwich and a Fellow of the Royal Astronomical Society . British schoolmaster and amateur astronomer (1855–1938)

#15 Ralph Hamilton Curtiss

Ralph Hamilton Curtiss (8 February 1880 – 25 December 1929) was an American astronomer and a professor of astrophysics at the University of Michigan . His main work was on stellar spectra and the identification of spectral binaries as well as quantitative studies based on the stellar spectra to stud

#16 Jean-Claude Merlin

Jean-Claude Merlin (born 1954) is a French astronomer , founder-president of the Burgundy Astronomical Society ( French : Société Astronomique de Bourgogne ) and a discoverer of minor planets . He was laureate of the Marcel Bleustein-Blanchet Fondation de la Vocation in 1982 and received the Prix Ge

#17 John Michell

John Michell ( / ˈ m ɪ tʃ əl / ; 25 December 1724 – 21 April 1793) was an English natural philosopher and clergyman who provided pioneering insights into a wide range of scientific fields including astronomy , geology , optics , and gravitation . Considered "one of the greatest unsung scientists of

#18 Frank B. Zoltowski

Frank B. Zoltowski (born 1957) is an Australian amateur astronomer and prolific discoverer of minor planets who lives in Woomera , South Australia. In 1998, he was awarded a " Gene Shoemaker NEO Grant" for improved near-Earth object searches. [2] [3] Australian astronomer Frank B. Zoltowski Born 195

#19 Edward Tyer

Edward Tyer (6 February 1830 - 25 December 1912) was an English railway engineer who developed the Tyer's Electric Train Tablet system widely used in the 19th and 20th centuries on single-track railways. He devised it after the Thorpe rail accident of 1874, which left 21 people dead. [1] He was also

#20 Isaac Newton

Sir Isaac Newton PRS (25 December 1642   – 20 March 1726/27 [lower-alpha 1] ) was an English mathematician, physicist , astronomer , alchemist , theologian , and author (described in his time as a " natural philosopher "), widely recognised as one of the greatest mathematicians and physicists and am


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Science / Science


#1 Infinity (philosophy)

In philosophy and theology, infinity is explored in articles under headings such as the Absolute , God , and Zeno's paradoxes . Philosophical concept This article is about the philosophical concept. For the mathematical concept, see Infinity . For other uses, see Infinity (disambiguation) . This art


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Star / Star


#1 PSR J0952–0607

PSR J0952–0607 is a massive millisecond pulsar in a binary system , located between 3,200–5,700 light-years (970–1,740   pc ) away from Earth in the constellation Sextans . [5] It holds the record for being the most massive neutron star known as of 2022 [update] , with a mass 2.35 ± 0.17 times as mu

#2 GW151226

GW151226 was a gravitational wave signal detected by the LIGO observatory on 25 December 2015 local time (26 Dec 2015 UTC). On 15 June 2016, the LIGO and Virgo collaborations announced that they had verified the signal, making it the second such signal confirmed , after GW150914 , which had been ann


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