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langs: 15 апреля [ru] / april 15 [en] / 15. april [de] / 15 avril [fr] / 15 aprile [it] / 15 de abril [es]

days: april 12 / april 13 / april 14 / april 15 / april 16 / april 17 / april 18

Asteroid / Asteroid


#1 732 Tjilaki

732 Tjilaki ( prov. designation : A912 HK or 1912 OR ) is a dark background asteroid , approximately 36 kilometers (22 miles) in diameter, located in the inner region of the asteroid belt . It was discovered by German astronomer Adam Massinger at the Heidelberg Observatory on 15 April 1912, and late

#2 43 Ariadne

Ariadne ( minor planet designation : 43 Adriane ) is a fairly large and bright main-belt asteroid . It is the second-largest member of the Flora asteroid family . It was discovered by N. R. Pogson on 15 April 1857 and named after the Greek heroine Ariadne . Main-belt asteroid 43 Ariadne A three-dime

#3 275 Sapientia

Sapientia ( minor planet designation : 275 Sapientia ) is a very large Main belt asteroid that was discovered by Johann Palisa on 15 April 1888 in Vienna . It is classified as a C-type asteroid and is probably composed of carbonaceous material . It is named for the Roman personification of wisdom ,

#4 (15807) 1994 GV9

(15807) 1994 GV 9 , provisional designation 1994 GV 9 , is a trans-Neptunian object from the classical Kuiper belt located in the outermost region of the Solar System . The cubewano belongs to the orbitally unexcited cold population . [6] It was discovered on 15 April 1994, by astronomers David Jewi

#5 2629 Rudra

2629 Rudra , provisional designation 1980 RB 1 , is a sizable Mars-crossing asteroid and slow rotator inside the asteroid belt , approximately 5.3 kilometers (3.3 miles) in diameter. It was discovered on 13 September 1980, by American astronomer Charles Kowal at the Palomar Observatory in California

#6 (392741) 2012 SQ31

(392741) 2012 SQ 31 , provisional designation 2012 SQ 31 , is a sub-kilometer Florian asteroid from the inner regions of the asteroid belt , approximately 700 meters (2,300 feet) in diameter. It was originally considered a trans-Neptunian object and lost minor planet during 2004–2012. The date of th

#7 12714 Alkimos

12714 Alkimos / ˈ æ l k ɪ m ɒ s / is a large Jupiter trojan from the Greek camp , approximately 54 kilometers (34 miles) in diameter. It was discovered on 15 April 1991, by American astronomer couple Carolyn and Eugene Shoemaker at the Palomar Observatory in California. [1] The dark Jovian asteroid

#8 (75482) 1999 XC173

(75482) 1999 XC 173 is a stony Vestian asteroid and an exceptionally slow rotating body from the inner regions of the asteroid belt , approximately 3 kilometers in diameter. It was discovered on 10 December 1999, by LINEAR at Lincoln Laboratory's Experimental Test Site in Socorro, New Mexico, United

#9 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

#10 731 Sorga

731 Sorga ( prov. designation : A912 GH or 1912 OQ ) is a highly elongated background asteroid from the outer regions of the asteroid belt , approximately 38 kilometers (24 miles) in diameter. It was discovered on 15 April 1912, by German astronomer Adam Massinger at the Heidelberg-Königstuhl State

#11 Ceres (dwarf planet)

Ceres ( / ˈ s ɪər iː z / ; [17] minor-planet designation : 1 Ceres ) is a dwarf planet in the asteroid belt between the orbits of Mars and Jupiter . It was the first asteroid discovered, on 1 January 1801, by Giuseppe Piazzi at Palermo Astronomical Observatory in Sicily, and announced as a new plane

#12 2014 JO25

2014 JO 25 is a near-Earth asteroid . It was discovered in May 2014 by astronomers at the Catalina Sky Survey near Tucson, Arizona - a project of NASA's NEO (Near Earth Object) Observations Program in collaboration with the University of Arizona. 2014 JO 25 Radar image of 2014 JO 25 taken at Goldsto

#13 2018 GE3

2018 GE 3 is a sub-kilometer asteroid on a highly eccentric orbit, classified as a near-Earth object of the Apollo group , approximately 48–110 meters (160–360 feet) in diameter. It was first observed on 14 April 2018, by astronomers with the Catalina Sky Survey one day prior to its sub-lunar close

#14 4175 Billbaum

4175 Billbaum , provisional designation 1985 GX , is a background asteroid from the central regions of the asteroid belt , approximately 9 kilometers (6 miles) in diameter. It was discovered on 15 April 1985, by American astronomer Edward Bowell at the Anderson Mesa Station of the Lowell Observatory

#15 1727 Mette

1727 Mette , provisional designation 1965 BA , is a binary [lower-alpha 1] Hungaria asteroid and Mars-crosser from the inner regions of the asteroid belt , approximately 9 kilometers in diameter. 1727 Mette Discovery [1] Discovered   by A. D. Andrews Discovery   site Boyden Obs. Discovery   date 25

#16 730 Athanasia

730 Athanasia ( prov. designation : A912 GG or 1912 OK ) is a background asteroid from the inner regions of the asteroid belt , approximately 4.5 kilometers (2.8 miles) in diameter. It was discovered by Austrian astronomer Johann Palisa at the Vienna Observatory on 10 April 1912. [1] The presumed st

#17 12444 Prothoon

12444 Prothoon / ˈ p r ɒ θ oʊ . ɒ n / is a large Jupiter trojan from the Trojan camp , approximately 64 kilometers (40 miles) in diameter. It was discovered on 15 April 1996, by Belgian astronomer Eric Elst at the La Silla Observatory in northern Chile. [1] The assumed C-type asteroid is one of the

#18 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

#19 (78799) 2002 XW93

(78799) 2002 XW 93 , provisional designation 2002 XW 93 , is a trans-Neptunian object and centaur from the outer Solar System , approximately 500–600 kilometers (300–400   mi) in diameter. It was discovered on 10 December 2002, by astronomers at the Palomar Observatory in California. [1] (78799) 200

#20 2006 HH123

2006 HH 123 , also written as 2006 HH123 , was a misidentified nonexistent object that had a short 1 day observation arc . It was formerly thought to be a lost object with an assumed eccentricity of 0.46. [4] If it had been a scattered-disc object it would have had an absolute magnitude of 5.2, [4]


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Book / Book


#1 A Passage to Infinity

A Passage to Infinity   : Medieval Indian Mathematics from Kerala and Its Impact [1] is a book by George Gheverghese Joseph chronicling the social and mathematical origins of the Kerala school of astronomy and mathematics . The book discusses the highlights of the achievements of Kerala school and a


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Comet / Comet


#1 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

#2 54P/de Vico–Swift–NEAT

54P/de Vico–Swift–NEAT is a periodic comet in the Solar System first discovered by Father Francesco de Vico (Rome, Italy) on August 23, 1844. It has become a lost comet several times after its discovery. The comet makes many close approaches to Jupiter. [4] The comet was last observed on 20 December

#3 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

#4 67P/Churyumov–Gerasimenko

67P/Churyumov–Gerasimenko (abbreviated as 67P or 67P/C–G ) is a Jupiter-family comet , [10] originally from the Kuiper belt , [11] with a current orbital period of 6.45 years, [1] a rotation period of approximately 12.4 hours [9] and a maximum velocity of 135,000   km/h (38   km/s; 84,000   mph) . [


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Galaxy / Galaxy


#1 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

#2 NGC 5307

NGC 5307 is a planetary nebula in the southern constellation of Centaurus , positioned less than 3° to the northeast of the star Epsilon Centauri . [5] It was discovered by English astronomer John Herschel on April 15, 1836. The nebula is located at a distance of approximately 10.6 kilolight-years f

#3 NGC 4320

NGC 4320 is a peculiar galaxy [2] located about 370 million light-years away [3] in the constellation Virgo . It was discovered by astronomer Heinrich d'Arrest on April 15, 1865 [2] and is a member of the NGC 4325 Group . [4] [5] [6] Peculiar galaxy in the constellation Virgo NGC 4320 SDSS image of

#4 Messier 58

Messier 58 (also known as M58 and NGC 4579 ) is an intermediate barred spiral galaxy with a weak inner ring structure located within the constellation Virgo , approximately 68 million light-years away from Earth . [6] [7] It was discovered by Charles Messier on April 15, 1779 and is one of four barr

#5 NGC 4519

NGC 4519 is a barred spiral galaxy located about 70 million light-years away [3] in the constellation Virgo . [4] NGC 4519 was discovered by astronomer William Herschel on April 15, 1784. [5] It has companion galaxy known as PGC 41706 [5] and is a member of the Virgo Cluster . [6] Barred spiral gala

#6 NGC 4469

NGC 4469 is a nearly edge-on spiral galaxy [2] located about 55 million light-years away [3] in the constellation of Virgo . [4] It is also classified as a LINER galaxy. [3] NGC 4469 was discovered by astronomer William Herschel on April 15, 1784. [5] It is a member of the Virgo Cluster . [6] Spiral

#7 NGC 4598

NGC 4598 is a barred lenticular galaxy [3] located in the constellation Virgo . [4] NGC 4598 was discovered by astronomer William Herschel on April 15, 1784. [5] The distance to NGC 4598 has not been accurately determined; measurements vary from 64 to 102 million light-years . [3] [6] According to t

#8 NGC 3558

NGC 3558 is an elliptical [2] [3] or a lenticular galaxy located 440 million light-years away [4] in the constellation Ursa Major . [5] It was discovered by the astronomer Heinrich d'Arrest on April 15, 1866. [6] It is a member of the galaxy cluster Abell 1185 [7] and is classified as a LINER galaxy


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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 Wise Observatory

The Florence and George Wise Observatory (IAU code 097) is an astronomical observatory owned and operated by Tel Aviv University . It is located 5 kilometers (3.1 miles) west of the town of Mitzpe Ramon in the Negev desert near the edge of the Ramon Crater , and it is the only professional astronomi

#3 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

#4 Leibniz Institute for Astrophysics Potsdam

Leibniz Institute for Astrophysics Potsdam (AIP) is a German research institute. It is the successor of the Berlin Observatory founded in 1700 and of the Astrophysical Observatory Potsdam (AOP) founded in 1874. The latter was the world's first observatory to emphasize explicitly the research area of

#5 Institute of Theoretical Astrophysics

The Institute of Theoretical Astrophysics (Norwegian: Institutt for teoretisk astrofysikk , abbreviated ITA ) is a research and teaching institute dedicated to astronomy , astrophysics and solar physics located at Blindern in Oslo, Norway. It is a department of The Faculty of Mathematics and Natural

#6 David Dunlap Observatory

The David Dunlap Observatory ( DDO ) is an astronomical observatory site in Richmond Hill , Ontario, Canada. Established in 1935, it was owned and operated by the University of Toronto until 2008. It was then acquired by the city of Richmond Hill, which provides a combination of heritage preservatio

#7 Observatory Naef Épendes

Observatory Robert A. Naef ( French : Observatoire Robert-A. Naef ) is an astronomical observatory located at Épendes , Canton of Fribourg , Switzerland at 7.13938 degrees east of Greenwich and 46.76236 degrees north latitude. Its parallax constants are   : ρ sin φ' = 0.68632 (Earth radii from the r

#8 Troll Satellite Station

Troll Satellite Station ( Norwegian : Troll satellittstasjon ), commonly abbreviated TrollSat , is a satellite ground station located at Troll in Queen Maud Land , Antarctica . The earth station is owned by Kongsberg Satellite Services (KSAT), a joint venture between the Kongsberg Group and the Norw

#9 Royal Observatory of Belgium

The Royal Observatory of Belgium ( French: Observatoire Royal de Belgique , Dutch : Koninklijke Sterrenwacht van België ), has been situated in the Uccle municipality of Brussels ( Belgium ) since 1890. It was first established in Saint-Josse-ten-Noode in 1826 by William I under the impulse of Adolp

#10 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) .

#11 Pises Observatory

Pises Observatory is an astronomical observatory at the Parc National des Cévennes in France . It is situated at 1300 m altitude and houses an optical telescope with a charge-coupled device used for asteroid surveys. Minor planets discovered: 41   [1] see §   List of discovered minor planets Observa

#12 Starlink Project

The Starlink Project , referred to by users as Starlink and by developers as simply The Project , was a UK astronomical computing project which supplied general-purpose data reduction software. Until the late 1990s, it also supplied computing hardware and system administration personnel to UK astron


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Meteorite / Meteorite


#1 OGLE-2003-BLG-235Lb/MOA-2003-BLG-53Lb

OGLE-2003-BLG-235Lb/MOA-2003-BLG-53Lb is an extrasolar planet discovered in April 2004 by the OGLE and MOA collaborations. [1] Its high mass indicates that it is most probably a gas giant planet similar to Jupiter. It is located around 4.3 AU away from its parent star. [2] Extrasolar planet in the c

#2 Upsilon Andromedae d

Upsilon Andromedae d ( υ Andromedae d , abbreviated Upsilon And d , υ And d ), formally named Majriti / m æ dʒ ˈ r aɪ t i / , is a super-Jupiter exoplanet orbiting within the habitable zone of the Sun-like star Upsilon Andromedae A , approximately 44 light-years (13.5 parsecs , or nearly 4.163 × 10

#3 Suizhou meteorite

The Suizhou meteorite [2] is a stone meteorite which fell on April 15, 1986, in Dayanpo, 12.5   km to the southeast of Suizhou city, Hubei province , China . Suizhou meteorite Type Stone [1] Class Olivine-hypersthene chondrite (L6) [1] Country China [1] Region Hubei [1] Coordinates 31°43′N 113°23′E

#4 Kepler-1649c

Kepler-1649c is an Earth-sized exoplanet , likely rocky , orbiting within the habitable zone of the red dwarf star Kepler-1649 , the outermost planet of the planetary system discovered by Kepler’s space telescope. It is located about 301 light-years (92   pc) away from Earth , in the constellation o

#5 HD 82943 b

HD 82943 b is an extrasolar planet approximately 89 light-years away in the constellation of Hydra . The planet was announced in 2000 by the Geneva Extrasolar Planet Search Team . [1] The planet is the outermost planet of two. [2] HD 82943 b Discovery Discovered   by Mayor , Udry et al. Discovery  

#6 HD 169830 b

HD 169830 b is an extrasolar planet [2] three times the mass of Jupiter . Due to its high mass, it is most likely a gas giant planet, akin to Jupiter and Saturn in the Solar System . This planet at 0.8 AU is slightly farther out than Venus is in the Solar System , orbiting around its star every 262

#7 HD 108147 b

HD 108147 b is a gas giant exoplanet with a minimum mass about half that of Jupiter . It orbits the star in a very tight "torch orbit". The distance between the planet and the star is only a tenth of the distance between Earth and the Sun (0.1AU). [2] A number of such worlds are known to exist, but

#8 WASP-43b

WASP-43b is a transiting planet in orbit around the young, active, and low-mass star WASP-43 in the constellation Sextans . The planet is a hot Jupiter with a mass twice that of Jupiter , but with a roughly equal radius. WASP-43b was flagged as a candidate by the SuperWASP program, before they condu

#9 HD 83443 b

HD 83443 b is an extrasolar planet approximately 134 light-years away [2] in the constellation of Vela . It was discovered in 2000 by the Geneva Extrasolar Planet Search Team led by Michel Mayor . [1] It has a minimum mass comparable to Saturn , and its orbit is one of the shortest known, 1/25th tha

#10 Upsilon Andromedae c

Upsilon Andromedae c ( υ Andromedae c , abbreviated Upsilon And c , υ And c ), formally named Samh / ˈ s ɑː m / (a homophone with the star Salm ), is an extrasolar planet orbiting the Sun -like star Upsilon Andromedae A every 241.3 days. Its discovery in April 1999 by Geoffrey Marcy and R. Paul Butl


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Researcher / Researcher


#1 Sebastian von Hoerner

Sebastian Rudolf Karl von Hoerner (15 April 1919 – 7 January 2003) was a German astrophysicist and radio astronomer . German astrophysicist and radio astronomer He was born in Görlitz , Lower Silesia . After the end of World War II he studied physics at University of Göttingen . He obtained his doct

#2 Kin Endate

Kin Endate ( 円館 金 , Endate Kin , born December 15, 1960) is a Japanese amateur astronomer who has discovered hundreds of asteroids, most of them in collaboration with Kazuro Watanabe , placing him among the most prolific discoverers of minor planets . [1] Minor planets discovered: 624   [1] see §  

#3 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

#4 Peder Horrebow

Peder [Nielsen] Horrebow (Horrebov) (14 May 1679 – 15 April 1764) was a Danish astronomer. Born in Løgstør , Jutland to a poor family of fishermen, Horrebow entered the University of Copenhagen in 1703. He worked his way through grammar school and university by virtue of his technical knowledge: he

#5 Maurice Loewy

Maurice (Moritz) Loewy (15 April 1833 – 15 October 1907) was a French astronomer . French astronomer Surface of the moon, photographed by Loewy and Puiseux in 1894 Loewy was born in Vienna . [1] Loewy's Jewish parents moved to Vienna in 1841 to escape the antisemitism of their home town. [ citation

#6 Thomas Robie

Thomas Robie (March 20, 1689 – August 28, 1729) was a scientist and physician of the British colonies in America. His scientific interests were primarily in meteorology, astronomy, and medicine. [1] American physician Thomas Robie Born ( 1689-03-20 ) March 20, 1689 Boston, Massachusetts Died August

#7 Kazuro Watanabe

Kazurō Watanabe ( 渡辺 和郎 , Watanabe Kazurō , born May 1, 1955) is a Japanese amateur astronomer and prolific discoverer of minor planets . [2] He was born in Hokkaidō , Japan and is a member of the Astronomical Society of Japan as well as of the Oriental Astronomical Association . Japanese astronomer

#8 Jun Chen (astronomer)

Jun Chen is a Chinese American astronomer and discoverer of minor planets . Chinese-American astronomer Minor planets discovered: 10   [1] (15807) 1994 GV 9 April 15, 1994 MPC [A] (15820) 1994 TB October 2, 1994 MPC [A] (15874) 1996 TL 66 October 9, 1996 MPC [A] [B] [C] (15883) 1997 CR 29 February 3

#9 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

#10 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

#11 Thushara Pillai

Thushara Pillai is an Indian astrophysicist and astronomer with a senior research scientist position at Boston University 's Institute for Astrophysical Research. [1] Her research interests have included molecular clouds , high-mass star formation , magnetic fields , astrochemistry , and the galacti

#12 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

#13 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

#14 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

#15 Edgar Allan Poe

Edgar Allan Poe ( / p oʊ / ; born Edgar Poe ; January 19, 1809 – October 7, 1849) was an American writer, poet, editor, and literary critic . Poe is best known for his poetry and short stories, particularly his tales of mystery and the macabre . He is widely regarded as a central figure of Romantici

#16 Friedrich Georg Wilhelm von Struve

Friedrich Georg Wilhelm von Struve ( Russian: Василий Яковлевич Струве , trans. Vasily Yakovlevich Struve ; 15 April 1793 – 23 November   [ O.S. 11 November ]   1864 ) was a Baltic German astronomer and geodesist from the famous Struve family . He is best known for studying double stars and for init

#17 James Booth (mathematician)

The Revd Dr James Booth , JP , FRS (1806–1878) was an Anglo-Irish clergyman, notable as a mathematician and educationalist. James Booth Irish cleric, mathematician and educationist

#18 Johann Palisa

Johann Palisa (6 December 1848 – 2 May 1925) was an Austrian astronomer , born in Troppau , Austrian Silesia , now Czech Republic . [1] He was a prolific discoverer of asteroids , discovering 122 in all, from 136 Austria in 1874 to 1073 Gellivara in 1923. [2] Some of his notable discoveries include

#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 Alan C. Gilmore

Alan Charles Gilmore (born 1944 in Greymouth , New Zealand ) is a New Zealand astronomer and a discoverer of minor planets and other astronomical objects . [2] [3] New Zealand astronomer For other people of a similar name, see Alan Gilmour (disambiguation) . Asteroids discovered: 42   [1] see §   Li


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Science / Science


#1 Steady-state model

In cosmology , the steady-state model is an alternative to the Big Bang theory of evolution of the universe. In the steady-state model, the density of matter in the expanding universe remains unchanged due to a continuous creation of matter, thus adhering to the perfect cosmological principle , a pr


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Star / Star


#1 HD 162020

HD 162020 is a star in the southern constellation of Scorpius with a likely red dwarf companion. It has an apparent visual magnitude of 9.10, [2] which is too faint to be visible to the naked eye. The distance to this system is 101   light years based on stellar parallax . [1] It is drifting closer

#2 WASP-43

WASP-43 is a K-type star in the Sextans constellation. It is about half the size of the Sun, and has approximately half the mass. WASP-43 has one known planet in orbit, a Hot Jupiter called WASP-43b . At the time of publishing of WASP-43b's discovery on April 15, 2011, the planet was the most closel

#3 LV Vulpeculae

LV Vulpeculae , also known as Nova Vulpeculae 1968 no. 1 , was the first of two novae in the constellation of Vulpecula which erupted in 1968. It was discovered by George Alcock who observed it from the back garden of his home in Farcet , England, on the morning of 15 April 1968. The next night it w

#4 HD 169830

HD 169830 is a star in the southern constellation of Sagittarius . It has a yellow-white hue and is dimly visible to the naked eye with an apparent visual magnitude of +5.90. [2] The star is located at a distance of 120   light years from the Sun based on parallax . It is drifting closer with a radi


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