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langs: 24 апреля [ru] / april 24 [en] / 24. april [de] / 24 avril [fr] / 24 aprile [it] / 24 de abril [es]

days: april 21 / april 22 / april 23 / april 24 / april 25 / april 26 / april 27


Asteroid / Asteroid


#1 5652 Amphimachus

5652 Amphimachus / æ m ˈ f ɪ m ə k ə s / is a Jupiter trojan from the Greek camp , approximately 53 kilometers (33 miles) in diameter. It was discovered on 24 April 1992, by American astronomer couple Carolyn and Eugene Shoemaker at the Palomar Observatory in California. [1] The dark Jovian asteroid

#2 1862 Apollo

1862 Apollo / ə ˈ p ɒ l oʊ / is a stony asteroid , approximately 1.5 kilometers in diameter, classified as a near-Earth object (NEO). It was discovered by German astronomer Karl Reinmuth at Heidelberg Observatory on 24 April 1932, but lost and not recovered until 1973. 1862 Apollo A three-dimensiona

#3 1193 Africa

1193 Africa , provisional designation 1931 HB , is a stony Eunomian asteroid from the central region of the asteroid belt , approximately 12 kilometers in diameter. It was discovered by South African astronomer Cyril Jackson at Johannesburg Observatory on 24 April 1931. [6] The asteroid was named fo

#4 2007 VK184

2007 VK 184 is a sub-kilometer asteroid , classified as a near-Earth object of the Apollo group , and estimated to be approximately 130 meters (430   ft) in diameter. [4] It was listed on the Sentry Risk Table with a Torino Scale rating of 1 for a potential impactor in June 2048. [4] It was removed

#5 2063 Bacchus

2063 Bacchus , provisional designation 1977 HB , is a stony asteroid and near-Earth object of the Apollo group , approximately 1 kilometer in diameter. The contact binary was discovered on 24 April 1977, by American astronomer Charles Kowal at the Palomar Observatory in California, United States. It

#6 1165 Imprinetta

1165 Imprinetta , provisional designation 1930 HM , is a carbonaceous Meliboean asteroid from the outer regions of the asteroid belt , approximately 49 kilometers in diameter. It was discovered on 24 April 1930, by Dutch astronomer Hendrik van Gent at the Union Observatory in Johannesburg, South Afr

#7 4151 Alanhale

4151 Alanhale , provisional designation 1985 HV 1 , is a carbonaceous Themistian asteroid from the outer region of the asteroid belt , approximately 19 kilometers in diameter. It was discovered by the American astronomer couple Carolyn and Eugene Shoemaker at the U.S. Palomar Observatory , Californi

#8 2008 HJ

2008 HJ is a sub-kilometer asteroid , classified as near-Earth object of the Apollo group . 2008 HJ Discovery Discovered   by LINEAR Discovery   site Lincoln Lab ETS Discovery   date 24 April 2008 Designations MPC   designation 2008 HJ Minor   planet category NEO   · Apollo [1] Orbital characteristi

#9 57424 Caelumnoctu

57424 Caelumnoctu , provisional designation 2001 SP 22 , is an Eoan asteroid from the outer regions of the asteroid belt , approximately 7 kilometers in diameter. It was discovered on 16 September 2001, by astronomers of the Lincoln Near-Earth Asteroid Research at Lincoln Laboratory's Experimental T

#10 4337 Arecibo

4337 Arecibo ( prov. designation : 1985 GB ) is a binary Themistian asteroid from the outer regions of the asteroid belt , approximately 24 kilometers (15 miles) in diameter. It was discovered on 14 April 1985, by American astronomer Edward Bowell at the Anderson Mesa Station near Flagstaff, Arizona

#11 4001 Ptolemaeus

4001 Ptolemaeus , provisional designation 1949 PV , is a Florian asteroid from the inner regions of the asteroid belt , approximately 5 kilometers (3.1 miles) in diameter. It was discovered on 2 August 1949, by German astronomer Karl Reinmuth at the Heidelberg-Königstuhl State Observatory in Heidelb

#12 3361 Orpheus

3361 Orpheus (1982 HR) is an Apollo asteroid that was discovered on 24 April 1982 by Carlos Torres at Cerro El Roble Astronomical Station . Its eccentric orbit crosses that of Mars and Earth , and approaches Venus as well. From 1900 to 2100 it passes closer than 30   Gm to Venus 11, Earth 33, and Ma

#13 List of minor planets discovered using the WISE spacecraft

The following is a list of numbered minor planets discovered, co-discovered and re-discovered by the Wide-field Infrared Survey Explorer (WISE), a NASA infrared spaceborne observatory. As of July 2018, the list contains 4093 entries, accredited by the Minor Planet Center as discovered by "WISE". Not

#14 2060 Chiron

2060 Chiron is a small Solar System body in the outer Solar System , orbiting the Sun between Saturn and Uranus . Discovered in 1977 by Charles Kowal , it was the first-identified member of a new class of objects now known as centaurs —bodies orbiting between the asteroid belt and the Kuiper belt .

#15 1836 Komarov

1836 Komarov ( prov. designation : 1971 OT ) is a carbonaceous Dorian asteroid from the central region of the asteroid belt , approximately 22 kilometers in diameter. It was discovered on 26 July 1971 by Russian astronomer Nikolai Chernykh at Crimean Astrophysical Observatory in Nauchnij on the Crim


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Comet / Comet


#1 99P/Kowal

99P/Kowal , also known as Kowal 1 , is a periodic comet in the Solar System that orbits out by Jupiter and has a 15 year orbital period. It has been observed regularly since 2019. It came to perihelion in April 2022 and will again in May 2037. Periodic comet with 15 year orbit 99P/Kowal Discovery Di

#2 167P/CINEOS

167P/CINEOS ( P/2004 PY 42 ) is a large periodic comet and active, grey centaur , approximately 66 kilometers (41 miles) in diameter, orbiting the Sun outside the orbit of Saturn in the Solar System . It was discovered on August 10, 2004, by astronomers with the CINEOS survey at Gran Sasso in Italy.

#3 C/1702 H1

C/1702 H1 (also known as "the comet of 1702") is a comet discovered by Maria Margaretha Kirch in Germany on April 20, 1702. C/1702 H1 Discovery Discovered by Maria Kirch Discovery date April 20, 1702 Alternative designations C/1702 H1 "Comet of 1702"

#4 Comet Arend–Roland

Comet Arend–Roland was discovered on November 8, 1956 by Belgian astronomers Sylvain Arend and Georges Roland on photographic plates. As the eighth comet found in 1956, it was named Arend–Roland 1956h after its discoverers. Because it was the third comet to pass through perihelion during 1957, it wa

#5 Great Comet of 1901

The Great Comet of 1901 , sometimes known as Comet Viscara , formally designated C/1901 G1 (and in the older nomenclature as 1901 I and 1901a ), was a comet which became bright in the spring of 1901. Visible exclusively (or almost exclusively) [2] from the southern hemisphere , it was discovered on


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Galaxy / Galaxy


#1 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

#2 ZW II 96

The object ZW II 96 (also II Zw 96 ) is a pair of galaxies that are merging . It is in the constellation Delphinus , about 500 million light-years from Earth . [1] Pair of merging galaxies in the constellation Delphinus Zwicky II 96 Galaxy Interaction (ZW II 96) Observation data ( J2000 epoch ) Cons

#3 NGC 4607

NGC 4607 is an edge-on spiral galaxy located about 56 million light-years away [2] in the constellation Virgo . [3] NGC 4607 was discovered by astronomer R. J. Mitchell on April 24, 1854. [4] The galaxy is a member of the Virgo Cluster . [5] [6] Edge-on spiral galaxy in the constellation Virgo NGC 4

#4 NGC 300

NGC 300 (also known as Caldwell 70 ) is a spiral galaxy in the constellation Sculptor . It is one of the closest galaxies to the Local Group , and probably lies between the latter and the Sculptor Group . It is the brightest of the five main spirals in the direction of the Sculptor Group. [2] It is

#5 NGC 5979

NGC 5979 is a planetary nebula in the constellation Triangulum Australe . It was discovered by John Herschel on April 24, 1835. [2] The central star of the planetary nebula is an O-type star with a spectral type of O(H)3-4. [3] Planetary nebula in the constellation Triangulum Australe NGC 5979 Emiss


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Institution / Institution


#1 Višnjan Observatory

Višnjan Observatory ( Croatian : Zvjezdarnica Višnjan ; obs. code: 120 ) is an astronomical observatory located near the village of Višnjan in Croatia . It is headed by Korado Korlević , a prolific astronomer and discoverer of minor planets . In 2009, the Višnjan observatory moved to Tičan (at 45°17

#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 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

#4 Andrushivka Astronomical Observatory

Andrushivka Astronomical Observatory ( Ukrainian : Андрушівська астрономічна обсерваторія ) is a private astronomical observatory in the town suburbs of Andrushivka , Zhytomyr Oblast , Ukraine . It was established in 2001. [2] The founder and director of the observatory is Yuri Ivashchenko . The obs

#5 Ventspils International Radio Astronomy Centre

Ventspils International Radio Astronomy Centre ( Latvian : Ventspils Starptautiskais radioastronomijas centrs – VIRAC ) is an ex- Soviet radio astronomy installation 30   km north of Ventspils , Latvia , on the coast of the Baltic Sea in Ance parish . The installation was secret until 1993 after Lat

#6 Farpoint Observatory

Farpoint Observatory is an astronomical observatory owned and operated by the Northeast Kansas Amateur Astronomers' League , or NEKAAL . It is located on the grounds of Mission Valley High School at Eskridge , near Auburn, Kansas , approximately 30 miles (48   km) southwest of Topeka , Kansas , Unit

#7 Berlin Observatory

The Berlin Observatory ( Berliner Sternwarte ) is a German astronomical institution with a series of observatories and related organizations in and around the city of Berlin in Germany , starting from the 18th century. It has its origins in 1700 when Gottfried Leibniz initiated the "Brandenburg Soci

#8 Kleť Observatory

Kleť Observatory ( Czech : Hvězdárna Kleť ; obs. code : 046 ) is an astronomical observatory in the Czech Republic . It is situated in South Bohemia , south of the summit of Mount Kleť , near the town of České Budějovice . Constructed in 1957, the observatory is at an altitude of 1,070 metres (3,510

#9 Union Observatory

Union Observatory also known as Johannesburg Observatory ( 078 ) is a defunct astronomical observatory in Johannesburg , South Africa that was operated between 1903 and 1971. It is located on Observatory Ridge , the city's highest point at 1,808 metres altitude in the suburb Observatory . [1] [2] De

#10 Goddard High Resolution Spectrograph

The Goddard High Resolution Spectrograph (GHRS or HRS) was an ultraviolet spectrograph installed on the Hubble Space Telescope during its original construction, and it was launched into space as part of that space telescope aboard the Space Shuttle Discovery on April 24, 1990 ( STS-31 ). [1] The ins

#11 Campo Imperatore Near-Earth Object Survey

The CINEOS program ( Campo Imperatore Near-Earth Object Survey ), started in 2001, is dedicated to the discovery and follow-up of near-Earth objects (NEOs), namely asteroids and comets which periodically approach or intersect the Earth's orbit . In particular CINEOS is addressed to the discovery of


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Meteorite / Meteorite


#1 Peace River (meteorite)

Peace River is a L6 chondrite meteorite fall on the morning of March 31, 1963. Peace River Peace River slice Type Chondrite Class Ordinary chondrite Group L6 Country Canada Region Alberta Coordinates 56°8′N 117°56′W [1] Observed fall Yes Fall date March 31, 1963 TKW 45.76 kg (1964) Strewn field Yes

#2 Kepler-61b

Kepler-61b (also known by its Kepler Object of Interest designation KOI-1361.01 ) is a super-Earth exoplanet orbiting within parts of the habitable zone of the K-type main-sequence star Kepler-61 . It is located about 1,100 light-years (338 parsecs ) from Earth in the constellation of Cygnus . It wa

#3 Sutter's Mill meteorite

The Sutter's Mill meteorite is a carbonaceous chondrite which entered the Earth's atmosphere and broke up at about 07:51 Pacific Time on April 22, 2012, with fragments landing in the United States. [6] [7] The name comes from Sutter's Mill , a California Gold Rush site, near which some pieces were r

#4 HD 209458 b

HD 209458 b , also nicknamed Osiris [2] after the Egyptian god , is an exoplanet that orbits the solar analog HD 209458 in the constellation Pegasus , some 159 light-years (49 parsecs ) from the Solar System . The radius of the planet's orbit is 0.047   AU (7.0   million   km ; 4.4   million   mi )

#5 Gliese 581d

Gliese 581d / ˈ ɡ l iː z ə / (often shortened to Gl 581d or GJ 581d ) is a proposed extrasolar planet orbiting within the Gliese 581 system , approximately 20.4 light-years away in the Libra constellation . It is the third planet claimed in the system and (assuming a five-planet model) the fifth in

#6 Gliese 581c

Gliese 581c / ˈ ɡ l iː z ə / ( Gl 581c or GJ 581c ) is a planet orbiting within the Gliese 581 system. It is the second planet discovered in the system and the third in order from the star . With a mass at least 5.5 times that of the Earth , it is classified as a super-Earth (a category of planets w


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Nebula / Nebula


#1 Nebular hypothesis

The nebular hypothesis is the most widely accepted model in the field of cosmogony to explain the formation and evolution of the Solar System (as well as other planetary systems ). It suggests the Solar System is formed from gas and dust orbiting the Sun . The theory was developed by Immanuel Kant a


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Researcher / Researcher


#1 Thomas Hornsby

Thomas Hornsby FRS (1733 in Durham – 11 April 1810 in Oxford ) was a British astronomer and mathematician . British astronomer and mathematician

#2 Robert Small (minister)

Robert Small FRSE (1732–1808) was a Scottish minister who served as Moderator of the General Assembly of the Church of Scotland in 1791. He was keenly interested in mathematics and astronomy and was a founder member of the Royal Society of Edinburgh , [1] (elected Fellow on 17 November 1783 [2] ) to

#3 Hendrik van Gent

Hendrik van Gent (14 September 1899, Pernis – March 29, 1947, Amsterdam ) [2] was a Dutch astronomer . Dutch astronomer (1899–1947) In this Dutch name , the surname is van Gent , not Gent . Asteroids discovered: 39   [1] see §   List of discovered minor planets He moved to South Africa in 1928 in or

#4 Nüzhet Gökdoğan

Hatice Nüzhet Gökdoğan ( Turkish:   [haˈtidʒe ˈnyzhet ˈɟœkdoan] ; 14 August 1910 – 24 April 2003) was a Turkish astronomer, mathematician and academic. After studying mathematics and astronomy in France as a young adult, Gökdoğan joined the faculty of Istanbul University in 1934 and completed her Ph

#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 Eugene Merle Shoemaker

Eugene Merle Shoemaker (April 28, 1928   – July 18, 1997) was an American geologist . He co-discovered Comet Shoemaker–Levy 9 with his wife Carolyn S. Shoemaker and David H. Levy . This comet hit Jupiter in July 1994: the impact was televised around the world. Shoemaker also studied terrestrial crat

#7 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

#8 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

#9 Carlos Torres (astronomer)

Carlos Torres (1929–2011) was a Chilean astronomer of the University of Chile and an individual member of the International Astronomical Union on several commissions. [2] Between 1968 and 1982, he discovered or co-discovered a number of asteroids from the University of Chile 's Cerro El Roble Astron

#10 William Ernest Cooke

William Ernest Cooke (25 July 1863 – 7 November 1947), generally referred to as W. Ernest Cooke or informally Ernest Cooke , was an Australian astronomer , credited with a number of important scientific breakthroughs and improved methodologies in astronomical observations and star cataloguing . He w

#11 Brett J. Gladman

Brett James Gladman (born April 19, 1966) [2] [3] is a Canadian astronomer and a full professor at the University of British Columbia 's Department of Physics and Astronomy in Vancouver , British Columbia . He holds the Canada Research Chair in planetary astronomy . [4] He does both theoretical work

#12 William Selwyn (astronomer)

William Selwyn , FRS , FRAS (19 February 1806 – 24 April 1875) was a Church of England clergyman, canon of Ely Cathedral , Lady Margaret's Professor of Divinity , and amateur astronomer.

#13 Alvan Clark

Alvan Clark (March 8, 1804 – August 19, 1887), born in Ashfield, Massachusetts , the descendant of a Cape Cod whaling family of English ancestry, was an American astronomer and telescope maker. Alvan Clark Born ( 1804-03-08 ) March 8, 1804 Ashfield, Massachusetts Died August 19, 1887 (1887-08-19) (a

#14 Ignacio López de Ayala

Ignacio López de Ayala (18 October 1739 Grazalema, Cádiz – 24 April 1789 in Tarifa ) was a Spanish writer, astronomer and historian.

#15 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

#16 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

#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 John Broughton

John Broughton (born 1952) [2] is an Australian amateur astronomer and artist. He is among the most prolific discoverers of minor planets worldwide, credited by the Minor Planet Center with more than a thousand discoveries made between 1997 and 2008. [1] His observations are done at Reedy Creek Obse

#19 Cyril Jackson (astronomer)

Cyril V. Jackson (5 December 1903 – February 1988) was a South African astronomer , known for discovering 72 asteroids and a number of comets. South African astronomer Asteroids discovered: 72 1116 Catriona 5 April 1929 1186 Turnera 1 August 1929 1193 Africa 24 April 1931 1194 Aletta 13 May 1931 119

#20 Imad Barghouthi

Imad Ahmad Barghouthi ( Arabic : عماد أحمد البرغوثي , born 1962) is a Palestinian astrophysicist . He is a member of the Barghouti hamula . Barghouti is presently professor of Theoretical Space Plasma Physics at Al-Quds University , and resides in Beit Rima near Ramallah . A leading researcher in hi


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Star / Star


#1 Alpha Centauri

Alpha Centauri is a gravitationally bound system of the closest stars and planets to the Solar System at 4.37 light-years (1.34 parsecs ) from the Sun . The name is Latinized from α Centauri , and abbreviated Alpha Cen or α Cen . It is a triple star system consisting of α Centauri A (officially Rigi

#2 SN 1054

SN 1054 is a supernova that was first observed on c.   4 July 1054, and remained visible until c.   6 April 1056. [2] α Supernova in the constellation Taurus; visible from 1054 to 1056 SN 1054 Giant picture mosaic of the Crab Nebula , the remnants of SN 1054, taken by the Hubble Space Telescope in v

#3 Kepler-61

Kepler-61 is a K-type main-sequence star approximately 1,100 light years from Earth in the constellation Cygnus . It is located within the field of vision of the Kepler spacecraft , the satellite that NASA 's Kepler Mission used to detect planets that may be transiting their stars. On April 24, 2013


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