astro.wikisort.org / calendar / en / december_21
Search

langs: 21 декабря [ru] / december 21 [en] / 21. dezember [de] / 21 décembre [fr] / 21 dicembre [it] / 21 de diciembre [es]

days: december 18 / december 19 / december 20 / december 21 / december 22 / december 23 / december 24

Asteroid / Asteroid


#1 1509 Esclangona

1509 Esclangona , provisional designation 1938 YG , is a rare-type Hungaria asteroid and binary system from the inner regions of the asteroid belt , approximately 8 kilometers in diameter. It is named after French astronomer Ernest Esclangon . 1509 Esclangona Discovery [1] Discovered   by A. Patry D

#2 (367789) 2011 AG5

(367789) 2011 AG 5 , provisional designation 2011 AG 5 , is a sub-kilometer asteroid , classified as near-Earth object and potentially hazardous asteroid of the Apollo group . [1] It has a diameter of about 140 meters (460   ft) . [4] It was removed from the Sentry Risk Table on 21 December 2012 and

#3 47171 Lempo

47171 Lempo , or as a binary (47171) Lempo–Hiisi (also known as 1999 TC 36 ), is a trans-Neptunian object and trinary system from the Kuiper belt , located in the outermost regions of the Solar System . It was discovered on 1 October 1999, by American astronomers Eric Rubenstein and Louis-Gregory St

#4 (90568) 2004 GV9

(90568) 2004 GV 9 is a trans-Neptunian object that was discovered on April 13, 2004 by NEAT . [1] It has been listed as a cubewano by the Minor Planet Center . [2] It was discovered on 13 April 2004 by NEAT . It has been observed forty-seven times, with precovery images back to 1954. [4] The object

#5 19 Fortuna

Fortuna ( minor planet designation : 19 Fortuna ) is one of the largest main-belt asteroids . It has a composition similar to 1 Ceres : a darkly colored surface that is heavily space-weathered with the composition of primitive organic compounds , including tholins . Main-belt asteroid 19 Fortuna Dis

#6 31179 Gongju

31179 Gongju , provisional designation 1997 YR 2 , is a stony Nysian asteroid from the inner regions of the asteroid belt , approximately 5 kilometers (3 miles) in diameter. It was discovered on 21 December 1997, by Japanese amateur astronomer Naoto Sato at his Chichibu Observatory near Tokyo, centr

#7 2017 YE5

2017 YE 5 is a binary pair of asteroids of approximately equal size and mass, each about 0.9   km (0.56   mi) in diameter. Classified as a near-Earth asteroid and potentially hazardous object of the Apollo group , 2017 YE 5 was discovered by amateur astronomer Claudine Rinner at the Oukaïmeden Obser

#8 2008 CK70

2008 CK 70 (also written 2008 CK70 ) is an Apollo near-Earth asteroid . [2] In 2013 it had the 7th highest impact threat on the Palermo Technical Impact Hazard Scale . [4] It was discovered on 9 February 2008 by Lincoln Near-Earth Asteroid Research (LINEAR) at an apparent magnitude of 19 using a 1.0

#9 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

#10 342843 Davidbowie

342843 Davidbowie , provisional designation 2008 YN 3 , is a Henan asteroid from the central region of the asteroid belt , approximately 1.4 kilometers in diameter. 342843 Davidbowie Discovery   [1] Discovered   by F. Hormuth Discovery   site Calar Alto Obs. Discovery   date 21 December 2008 Designa

#11 99942 Apophis

99942 Apophis is a near-Earth asteroid and potentially hazardous asteroid with a diameter of 370 metres (1,210 feet) that caused a brief period of concern in December 2004 when initial observations indicated a probability up to 2.7% that it would hit Earth on April   13, 2029. Additional observation


Asteroid / Asteroid: Search more / Искать ещё "december 21"

Comet / Comet


#1 35P/Herschel–Rigollet

35P/Herschel–Rigollet is a periodic comet with an orbital period of 155 years. It fits the classical definition of a Halley-type comet with (20 years < period < 200 years). [1] It was discovered by Caroline Herschel ( Slough , United Kingdom ) on 1788-12-21. Given that the comet has a 155 year orbit

#2 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

#3 164P/Christensen

164P/Christensen is a periodic comet in the Solar System . Periodic comet with 7 year orbit 164P/Christensen Discovery Discovered by Eric J. Christensen Discovery date December 21, 2004 Alternative designations P/2004 Y1 Orbital characteristics A Epoch March 6, 2006 Aphelion 5.619 AU Perihelion 1.65


Comet / Comet: Search more / Искать ещё "december 21"

Galaxy / Galaxy


#1 NGC 193

NGC 193 is a lenticular galaxy located in the constellation Pisces . It was discovered on December 21, 1786 by William Herschel . [2] Lenticular galaxy in the constellation Pisces NGC 193 SDSS image of NGC 193 Observation data ( J2000 epoch ) Constellation Pisces Right ascension 00 h 39 m 18.6 s [1]

#2 NGC 226

NGC 226 is a spiral galaxy located approximately 216 million light-years from the Sun [2] in the constellation Andromeda . It was discovered on December 21, 1786 by William Herschel . [3] Spiral galaxy in the constellation Andromeda NGC 226 SDSS image of NGC 226 Observation data ( J2000 epoch ) Cons

#3 NGC 3081

NGC 3081 is a barred lenticular ring galaxy in the constellation of Hydra . NGC 3081 is located about 85 million light-years away from Earth , which means, given its apparent dimensions, that NGC 3081 is approximately 60,000 light-years across. It is a type II Seyfert galaxy , characterised by its b

#4 NGC 204

NGC 204 is an unbarred lenticular galaxy located approximately 241 million light-years from the Solar System [2] in the constellation Pisces . It was discovered on December 21, 1786 by William Herschel . [3] Unbarred Lenticular galaxy in the constellation Pisces NGC 204 Observation data ( J2000 epoc

#5 NGC 3511

NGC 3511 is an intermediate spiral galaxy located in the constellation Crater . It is located at a distance of circa 45 million light years from Earth, which, given its apparent dimensions, means that NGC 3511 is about 70,000 light years across. It was discovered by William Herschel on December 21,


Galaxy / Galaxy: Search more / Искать ещё "december 21"

Institution / Institution


#1 Starkenburg Observatory

The Starkenburg Observatory ( German : Starkenburg-Sternwarte ) is an astronomical observatory in Heppenheim , Germany. It was founded in 1970, and currently has about 150 members. [2] [3] Observatory Starkenburg Observatory Named after Starkenburg   Observatory   code 611   Location Starkenburg , G

#2 Astronomical Observatory of Mallorca

The Astronomical Observatory of Mallorca ( Spanish : Observatorio Astronómico de Mallorca , OAM ) is an observatory just south of Costitx , Mallorca , Spain . [3] Observatory Astronomical Observatory of Mallorca Alternative   names ca Observatory   code 620   Location Costitx , Mallorca , Spain Coor

#3 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

#4 Pistoia Mountains Astronomical Observatory

The Pistoia Mountains Astronomical Observatory ( Italian : Osservatorio Astronomico della Montagna Pistoiese ; obs. code : 104 ), also known as the San Marcello Observatory and the Pian dei Termini Observatory ( Italian : Osservatorio di Pian dei Termini ), is an astronomical observatory in San Marc

#5 Lowell Observatory

Lowell Observatory is an astronomical observatory in Flagstaff, Arizona , United States . Lowell Observatory was established in 1894, placing it among the oldest observatories in the United States, and was designated a National Historic Landmark in 1965. [2] [3] In 2011, the Observatory was named on

#6 South African Astronomical Observatory

South African Astronomical Observatory ( SAAO ) is the national centre for optical and infrared astronomy in South Africa. It was established in 1972. The observatory is run by the National Research Foundation of South Africa . The facility's function is to conduct research in astronomy and astrophy

#7 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) .


Institution / Institution: Search more / Искать ещё "december 21"

Meteorite / Meteorite


#1 Yamato 691

The Yamato 691 (abbreviated Y-691 ) is the 4.5 billion year old chondrite meteorite discovered by members of the Japanese Antarctic Research Expedition [3] on the blue ice field of the Queen Fabiola Mountains (Yamato Mountains) in Antarctica , on December 21, 1969. [2] Yamato 691 Type Chondrite Clas


Meteorite / Meteorite: Search more / Искать ещё "december 21"

Researcher / Researcher


#1 Frank Bradshaw Wood

Frank Bradshaw "Brad" Wood FRAS [1] [2] (21 December 1915, Jackson, Tennessee – 10 December 1997, Gainesville, Florida ) was an astronomer, specializing in photometry . [3] Wood graduated in 1936 with a bachelor's degree in physics from the University of Florida . He graduated in astronomy from Prin

#2 Rodolphe Radau

Jean Charles Rodolphe Radau (22 January 1835 – 21 December 1911) was an astronomer and mathematician who worked in Paris at the Revue des deux Mondes for most of his life. He was the co-founder of the Bulletin Astronomique . German astronomer and mathematician Radau was born in Angerburg, Province o

#3 Tarmo Oja

Tarmo Oja (born 21 December 1934 in Tallinn , Estonia ) is a professor in astronomy at Uppsala University [1] who studies galactic structure and variable stars . He was the director at the Swedish Kvistaberg Station of the Uppsala Observatory from 1970 until his retirement in 1999. Swedish astronome

#4 Ernest Leonard Johnson

Ernest Leonard Johnson (1891–1977) was a South African astronomer and a former staff member of the Union Observatory in Johannesburg, South Africa. He is known for the discovery of 18 asteroids between 1946–1951, as well as several comets . [1] On 25 August 1949, he discovered 48P/Johnson , a period

#5 Thierry Pauwels

Thierry Pauwels (born 22 July 1957, Ghent ) is a Belgian astronomer from the Royal Observatory of Belgium . [2] [3] Between 1996 and 2008 he discovered and co-discovered 146 minor planets . This makes him one of the top 100 minor planet discoverers. [1] Belgian astronomer Minor planetss discovered:

#6 Marc Buie

Marc William Buie ( / ˈ b uː i / ; born 1958) is an American astronomer and prolific discoverer of minor planets who works at the Southwest Research Institute in Boulder, Colorado in the Space Science Department. [1] Formerly he worked at the Lowell Observatory in Flagstaff, Arizona, and was the Sen

#7 Agnes Giberne

Agnes Giberne (19 November 1845 in Belgaum , India – 20 August 1939 in Eastbourne , England ) was a prolific British novelist and scientific writer. [1] Her fiction was typical of Victorian evangelical fiction with moral or religious themes for children. She also wrote books on science for young peo

#8 Patrick Wayman

Patrick Wayman (8 October 1927 – 21 December 1998) was an English astronomer and director of Dunsink Observatory from 1964 to 1992. Patrick Wayman Born 8 October 1927   Bromley   Died 21 December 1998   (aged 71) County Dublin   Alma   mater University of Cambridge City of London School Emmanuel Col

#9 Tom Stafford (astronomer)

Tom Stafford is an American astronomer who has discovered a number of asteroids since 1997, [1] including 12061 Alena , [2] 12533 Edmond , [3] 13436 Enid , [4] 13688 Oklahoma [5] and 15904 Halstead [6] at Zeno Observatory (observatory code 727) in Edmond, Oklahoma . He is the son of Joseph W. Staffo

#10 Gordon Allen Newkirk Jr.

Gordon Allen Newkirk Jr. (September 12, 1928 – December 21, 1985) was an American astrophysicist. Gordon Allen Newkirk Jr. Born ( 1928-09-12 ) September 12, 1928 Orange, New Jersey Alma   mater Harvard University , A.B. 1950 (Astronomy) University of Michigan , M.A. 1952, Ph.D. 1953 (Astrophysics) S

#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 Yoshisada Shimizu

Yoshisada Shimizu ( 清水 義定 , Shimizu Yoshisada , born 1943) is a Japanese amateur astronomer and a prolific discoverer of hundreds of asteroids since 1993. An orthopaedist by profession, he is also known as an astrophotographer . [1] [2] Japanese astronomer Minor planets discovered: 311   [1] see §  

#13 Solar and Heliospheric Observatory

The Solar and Heliospheric Observatory ( SOHO ) is a European Space Agency (ESA) spacecraft built by a European industrial consortium led by Matra Marconi Space (now Airbus Defence and Space ) that was launched on a Lockheed Martin Atlas IIAS launch vehicle on 2 December 1995, to study the Sun . It

#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 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

#16 Rochus Eugen Vogt

Rochus Eugen (Robbie) Vogt (born December 21, 1929 in Neckarelz , Germany) is a German-American physicist, famous as the director and principal investigator of the LIGO project from 1987 to 1994. [1]

#17 Ira Sprague Bowen

Ira Sprague Bowen (December 21, 1898 – February 6, 1973) was an American physicist and astronomer . In 1927 he discovered that nebulium was not really a chemical element but instead doubly ionized oxygen . [1] American physicist and astronomer (1898–1973) Ira Sprague Bowen Born ( 1898-12-21 ) Decemb

#18 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

#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 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


Researcher / Researcher: Search more / Искать ещё "december 21"

Star / Star


#1 51 Eridani

51 Eridani is a star in the constellation Eridanus . It has an apparent magnitude of 5.22, [2] meaning it is just visible to the unaided eye in suburban and rural skies. [8] The primary star's absolute magnitude is 2.87. [4] There is also a binary star named GJ 3305 which shares the same proper moti


Star / Star: Search more / Искать ещё "december 21"



Текст в блоке "Читать" взят с сайта "Википедия" и доступен по лицензии Creative Commons Attribution-ShareAlike; в отдельных случаях могут действовать дополнительные условия.

Другой контент может иметь иную лицензию. Перед использованием материалов сайта WikiSort.org внимательно изучите правила лицензирования конкретных элементов наполнения сайта.

2019-2024
WikiSort.org - проект по пересортировке и дополнению контента Википедии