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langs: 29 апреля [ru] / april 29 [en] / 29. april [de] / 29 avril [fr] / 29 aprile [it] / 29 de abril [es]

days: april 26 / april 27 / april 28 / april 29 / april 30 / may 1 / may 2

Asteroid / Asteroid


#1 69 Hesperia

Hesperia ( minor planet designation : 69 Hesperia ) is a large, M-type main-belt asteroid . It was discovered by the Italian astronomer Giovanni Schiaparelli on April 29, 1861 [1] from Milan , while he was searching for the recently discovered 63 Ausonia . [7] It was his only asteroid discovery. Sch

#2 32008 Adriángalád

32008 Adriángalád , provisional designation : 2000 HM 53 , is a background asteroid and synchronous binary system from the inner regions of the asteroid belt , approximately 4 kilometers (2.5 miles) in diameter. It was discovered on 29 April 2000, by astronomers with the LINEAR program at Lincoln La

#3 343158 Marsyas

343158 Marsyas ( prov. designated 2009 HC 82 ) is an asteroid on a retrograde orbit , classified as a large near-Earth object of the Apollo group . It may be an extinct comet or damocloid asteroid . The asteroid was discovered on 29 April 2009, by astronomers with the Catalina Sky Survey at the Cata

#4 953 Painleva

953 Painleva is a minor planet orbiting the Sun . It was discovered on 29 April 1921 by the Russian astronomer Benjamin Jekhowsky . The planet was named in honor of the French statesman and mathematician Paul Painlevé . [2] Main-belt asteroid 953 Painleva Discovery Discovered   by B. Jekhovsky Disco

#5 (52747) 1998 HM151

(52747) 1998 HM 151 , also written as (52747) 1998 HM151 , is a cubewano . It has a perihelion (closest approach to the Sun ) at 41.902 AU and an aphelion (farthest approach from the Sun ) at 47.500 AU. It is 116   km in diameter. It was discovered on 29 April 1998, by astronomers at the Mauna Kea O

#6 1484 Postrema

1484 Postrema , provisional designation 1938 HC , is a carbonaceous Postremian asteroid and namesake of the Postrema family from the central regions of the asteroid belt , approximately 41 kilometers in diameter. It was discovered on 29 April 1938, by Soviet astronomer Grigory Neujmin at the Simeiz

#7 (52768) 1998 OR2

(52768) 1998 OR 2 ( provisional designation 1998 OR 2 ) is an asteroid on an eccentric orbit , classified as a near-Earth object and potentially hazardous asteroid of the Amor group , with a diameter of 2 kilometers (1.2   mi) . It was discovered on 24 July 1998, by astronomers of the Near-Earth Ast

#8 2013 JX28

2013 JX 28 (also known as 2006 KZ 39 ) is an Atira asteroid , a type of Aten asteroid , that orbits entirely within Earth 's orbit. It orbits very close to the Sun, having the fourth smallest semi-major axis of any minor planet in the Solar System . At its closest, it is only 0.26   AU (39,000,000  

#9 1268 Libya

1268 Libya , provisional designation 1930 HJ , is a dark Hildian asteroid from the outer regions of the asteroid belt , approximately 95 kilometers in diameter. It was discovered on 29 April 1930, by South African astronomer Cyril Jackson at the Union Observatory in Johannesburg, South Africa. [3] T

#10 484 Pittsburghia

Pittsburghia ( minor planet designation : Pittsburghia ) is an asteroid that is in orbit around the Sun 150 million miles from Earth . It is named in honor of the city of Pittsburgh , Pennsylvania and its scientific and industrial heritage that produced some of the finest astronomy equipment of the

#11 68 Leto

Leto ( minor planet designation : 68 Leto ) is a large main belt asteroid that is orbiting the Sun with a period of 4.64   years. Its spectral type is S , suggesting a stony, silicate composition. The asteroid was discovered by German astronomer Robert Luther on April 29, 1861, and is named after Le

#12 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

#13 (7888) 1993 UC

(7888) 1993 UC is a near-Earth minor planet in the Apollo group . [1] It was discovered by Robert H. McNaught at the Siding Spring Observatory in Coonabarabran, New South Wales , Australia, on 20 October 1993. [1] The asteroid has an observation arc of 23 years and has a well determined orbit. [1] I

#14 (164121) 2003 YT1

(164121) 2003 YT 1 , provisional designation 2003 YT 1 , is a bright asteroid and synchronous binary system on a highly eccentric orbit, classified as near-Earth object and potentially hazardous asteroid of the Apollo group , approximately 2 kilometers (1.2 miles) in diameter. It was discovered on 1

#15 2011 HM102

2011 HM 102 is the ninth Neptune trojan discovered. It was first observed on 29 April 2011, during the New Horizons KBO Search ( 268 ) using the Magellan II (Clay) Telescope at Las Campanas Observatory in Chile. [2] [5] It has the same orbital period as Neptune and orbits at the L 5 Lagrangian point

#16 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


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Comet / Comet


#1 100P/Hartley

100P/Hartley , also known as Hartley 1 , is a periodic, Jupiter family comet in the Solar System . [1] This article is about 100P/Hartley. For other comets, see Comet Hartley . Periodic comet with 6 year orbit 100P/Hartley Discovery Discovered by Malcolm Hartley Discovery date June 13, 1985 Alternat

#2 169P/NEAT

169/NEAT is a periodic comet in the Solar System . It is the parent body of the alpha Capricornids meteor shower in Late July. 169/NEAT may be related to comet P/2003 T12 (SOHO). [3] It comes to perihelion (closest approach to the Sun) on 9 July 2022. [1] On 13 July 2022 it will pass 0.1395   AU (20

#3 53P/Van Biesbroeck

53P/Van Biesbroeck is a periodic comet 7   km in diameter. [3] Periodic comet with 12 year orbit 53P/Van Biesbroeck Discovery Discovered by George Van Biesbroeck Discovery date September 1, 1954 Alternative designations 1954 IV; 1966 III; 1978 XXIV; 1991 VI Orbital characteristics A Epoch March 6, 2

#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 C/2021 O3 (PanSTARRS)

C/2021 O3 (PanSTARRS) was an Oort cloud comet , discovered on 26 July 2021 by the Pan-STARRS sky survey. It came to perihelion on 21 April 2022 at 0.287   AU (42.9   million   km ) . from the Sun. C/2021 O3 (PanSTARRS) Discovery Discovered by Pan-STARRS Discovery date 26 July 2021 Orbital characteri


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Galaxy / Galaxy


#1 NGC 5582

NGC 5582 is an elliptical galaxy in the constellation Boötes . It was discovered by William Herschel on April 29, 1788. [4] Elliptical galaxy in the constellation Boötes NGC 5582 SDSS image of NGC 5582 Observation data ( J2000 epoch ) Constellation Boötes Right ascension 14 h 20 m 43.12 s [1] Declin

#2 Messier 100

Messier 100 (also known as NGC 4321 ) is a grand design intermediate spiral galaxy in the southern part of the mildly northern Coma Berenices . [5] It is one of the brightest and largest galaxies in the Virgo Cluster and is approximately 55 million light-years [3] from our galaxy , its diameter bein

#3 IC 3583

IC 3583 is an irregular galaxy some 30 million light-years away in the constellation of Virgo . It was discovered by Isaac Roberts on April 29, 1892. Irregular Galaxy in the constellation of Virgo IC 3583 Hubble Space Telescope image of IC 3583 Observation data ( J2000 epoch ) Constellation Virgo Ri

#4 Centaurus A

Centaurus A (also known as NGC 5128 or Caldwell 77 ) is a galaxy in the constellation of Centaurus . It was discovered in 1826 by Scottish astronomer James Dunlop from his home in Parramatta , in New South Wales, Australia. There is considerable debate in the literature regarding the galaxy's fundam

#5 NGC 4055

NGC 4055 is an elliptical galaxy located 310 million light-years away [2] in the constellation Coma Berenices . [3] It was discovered by astronomer William Herschel on April 27, 1785. It was rediscovered by John Herschel on April 29, 1832. It is listed both as NGC 4061 and NGC 4055. [4] NGC 4055 is

#6 NGC 4070

NGC 4070 is an elliptical galaxy located 340 million light-years away [2] in the constellation Coma Berenices . [3] NGC 4070 was discovered by astronomer William Herschel on April 27, 1785. It was rediscovered by John Herschel on April 29, 1832 and was listed as NGC 4059. [4] The galaxy is a member

#7 NGC 4065

NGC 4065 is an elliptical galaxy located 300 million light-years away [2] in the constellation Coma Berenices . [3] The galaxy was discovered by astronomer William Herschel on April 27, 1785. It was then rediscovered by John Herschel on April 29, 1832 and was listed as NGC 4057. [4] NGC 4065 is the


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Institution / Institution


#1 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

#2 List of solar eclipses visible from Russia

This list of solar eclipses visible from Russia enumerates the solar eclipses that have been seen and will be seen in Russia . Lists of solar eclipses Geometry of a total solar eclipse (not to scale) Solar eclipses in antiquity Solar eclipses in the Middle Ages Modern history 16th 17th 18th 19th 20t

#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 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

#5 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) .


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Meteorite / Meteorite


#1 Killeter

Killeter ( from Irish : Coill Íochtair , meaning 'lower wood' ) [1] [2] is a small village and townland near Castlederg in County Tyrone , Northern Ireland . In the 2001 Census it had a population of 147. [3] Human settlement in Northern Ireland Killeter Irish : Coill Íochtair Killeter Location with

#2 Polonnaruwa (meteorite)

[ dubious – discuss ] Polonnaruwa Type Fulgarite. [1] Composition Olivine. [2] Country North Central Province, Sri Lanka Region Araganwila village Coordinates 7 52' 59.5" N; 81 9' 15.7" E Observed fall Alleged. [3] Fall date Allegedly fell on 29 December 2012. [3] Found date Not published. [2] TKW N

#3 WASP-15b

WASP-15b , formally named Asye , [3] is an extrasolar planet discovered in 2008 by the SuperWASP collaboration, which seeks to discover exoplanets that transit their host stars. The planet orbits its host star at a distance of 0.05 AU every four days. The mass of this planet is about one half that o

#4 HAT-P-12b

HAT-P-12b is an extrasolar planet approximately 468 light years away from Earth, orbiting the 13th magnitude K-type star HAT-P-12 , which is located in Canes Venatici constellation . It is a transiting hot Jupiter that was discovered by the HATNet Project on April 29, 2009. Extrasolar planet in cons


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Researcher / Researcher


#1 Giovanni Schiaparelli

Giovanni Virginio Schiaparelli ForMemRS HFRSE ( / ˌ s k æ p ə ˈ r ɛ l i , ˌ ʃ æ p -/ SKAP -ə- REL -ee, SHAP - , [2] [3] also US : / s k i ˌ ɑː p -/ skee- AHP - , [3] [4] Italian:   [dʒoˈvanni virˈdʒiːnjo skjapaˈrɛlli] ; 14 March 1835 – 4 July 1910) was an Italian astronomer and science historian . I

#2 Ed Krupp

Edwin Charles Krupp (born November 18, 1944) is an American astronomer , researcher, author, and popularizer of science. He is an internationally recognized expert in the field of archaeoastronomy , the study of how ancient cultures viewed the sky and how those views affected their cultures. He has

#3 Jan Muscenius

Jan Muscenius, (Jan Muszczeński alias Jan Mucha, 1532 – 21 July 1602) was a Polish astronomer , theologian, and the rector of Kraków Academy (now Jagiellonian University ). [1]

#4 Yoshikane Mizuno

Yoshikane Mizuno ( 水野 義兼 , Mizuno Yoshikane , born 1954) is a Japanese astronomer and co-discoverer of asteroids . [2] The Minor Planet Center credits him with the discovery of 52 minor planets he made at the Kani Observatory ( 403 ) between 1989 and 1993. [1] Japanese astronomer Minor planets disco

#5 Pamela L. Gay

Pamela L. Gay (born December 12, 1973) is an American astronomer , educator, podcaster , and writer, best known for her work in astronomical podcasting and citizen science astronomy projects. She is a senior education and communication specialist and senior scientist for the Planetary Science Instit

#6 Robert Luther

Karl Theodor Robert Luther (April 16, 1822, Świdnica – February 15, 1900 Düsseldorf ), normally published as Robert Luther , was a German astronomer . While working at the Bilk Observatory in Düsseldorf, Germany, he searched for asteroids and discovered 24 of them between 1852 and 1890. [1] [2] Seve

#7 Max Wolf

Maximilian Franz Joseph Cornelius Wolf (21 June 1863 – 3 October 1932) was a German astronomer and a pioneer in the field of astrophotography . He was the chairman of astronomy at the University of Heidelberg and director of the Heidelberg-Königstuhl State Observatory from 1902 until his death in 19

#8 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

#9 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

#10 James William Grant (astronomer)

James William Grant FRSE FRAS , 3rd Laird of Wester Elchies (1788–1865) was a Scottish astronomer and landowner. On 23 July 1844 he was the first person to observe and record the existence of the star Antares B . [1] Scottish astronomer

#11 Michel Ory

Michel Ory (born 18 April 1966) is a Swiss amateur astronomer and a prolific discoverer of minor planets and comets , [1] who was one of five winners of the 2009 Edgar Wilson Award for his discovery of 304P/Ory (P/2008 Q2 Ory), a periodic comet of the Jupiter family on 27 August 2008, [2] using a 24

#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 Kees de Jager

Cornelis " Kees " de Jager ( pronounced [ˈkeːz də ˈjaːɣər] ; 29 April 1921 – 27 May 2021) was a Dutch astronomer who specialized in predicting solar variation to assess the Sun's impact on future climate. He was the General Secretary of the IAU from 1967 to 1973 and former director of the observator

#14 William Lewis Elkin

William Lewis Elkin (April 29, 1855 – May 30, 1933) was an American astronomer known for his detailed work measuring parallaxes and for pioneering work in meteor photography. He served as director of the Yale University Observatory from 1896 to 1910. American astronomer William Lewis Elkin Born ( 18

#15 Georges Lecointe (explorer)

Georges Lecointe (29 April 1869 – 27 May 1929) was a Belgian naval officer and scientist. He was captain of the Belgica and second-in-command of the Belgian Antarctic Expedition , the first to overwinter in Antarctica. After his return to Belgium he was the founder of the International Polar Organiz

#16 Martin Asplund

Professor Martin Asplund (FAA) (born April 29, 1970) is a Swedish-Australian astrophysicist and a Fellow of the Australian Academy of Science . He has made credible [1] and sometimes controversial contributions in the field of astronomy . His models of the levels of the heavy elements, oxygen, carbo

#17 Benjamin Jekhowsky

Benjamin Jekhowsky ( Russian : Вениамин Павлович Жеховский , born 1881 in Saint-Petersburg (Russia), died in 1975, Encausse-les-Thermes (France)) was a Russian–French astronomer , born in Saint-Petersburg in a noble family of a Russian railroad official. Russian–French astronomer Benjamin Jekhowsky

#18 Minoru Kizawa

Minoru Kizawa ( 鬼沢 稔 , Kizawa Minoru , born 1947) is a Japanese astronomer and discoverer of minor planets . Japanese astronomer Asteroids discovered: 12   [1] 4094 Aoshima August 26, 1987 MPC   [1] 4507 Petercollins         March 19, 1990 MPC   [2] 5292 Mackwell January 12, 1991 MPC   [2] 5513 Yuki

#19 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

#20 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


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Science / Science


#1 SGR 1935+2154

SGR 1935+2154 (or SGR J1935+2154 ) is a soft gamma repeater (SGR) that is an ancient stellar remnant , in the constellation Vulpecula , originally discovered in 2014 by the Neil Gehrels Swift Observatory . [1] Currently, the SGR-phenomena and the related anomalous X-ray pulsars (AXP) are explained a


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Star / Star


#1 V392 Persei

V392 Persei , also known as Nova Persei 2018 , is a bright nova in the constellation Perseus discovered on April 29, 2018. It was previously known as a dwarf nova . Nova in the constellation Perseus V392 Persei Location of V392 Persei (circled) Observation data Epoch J2000.0             Equinox J200


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