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langs: 1 мая [ru] / may 1 [en] / 1. mai [de] / 1er mai [fr] / 1º maggio [it] / 1 de mayo [es]

days: april 28 / april 29 / april 30 / may 1 / may 2 / may 3 / may 4


Asteroid / Asteroid


#1 3428 Roberts

3428 Roberts ( prov. designation : 1952 JH ) is a background asteroid from the central regions of the asteroid belt , approximately 17 kilometers (11 miles) in diameter. It was discovered on 1 May 1952, by Indiana University's Indiana Asteroid Program at its Goethe Link Observatory near Brooklyn, In

#2 (144898) 2004 VD17

(144898) 2004 VD 17 , provisional designation 2004 VD 17 , is a sub-kilometer asteroid , classified as near-Earth object of the Apollo group once thought to have a low probability of impacting Earth on 4 May 2102. [3] It reached a Torino Scale rating of 2 and a Palermo Technical Impact Hazard Scale

#3 7505 Furusho

7505 Furusho , provisional designation 1997 AM 2 , is a stony asteroid and sizable Mars-crosser on an eccentric orbit from the asteroid belt , approximately 10 kilometers (6.2 miles) in diameter. It was discovered on 3 January 1997, by Japanese astronomer Takao Kobayashi at the Ōizumi Observatory in

#4 977 Philippa

977 Philippa ( prov. designation : A922 GA or 1922 LV ) is a large background asteroid from the outer regions of the asteroid belt , approximately 65 kilometers (40 miles) in diameter. It was discovered on 6 April 1922, by Russian–French astronomer Benjamin Jekhowsky at the Algiers Observatory in No

#5 (7335) 1989 JA

(7335) 1989 JA , provisional designation 1989 JA , is a stony asteroid of the Apollo group, classified as near-Earth object and potentially hazardous asteroid , approximately 1 kilometer in diameter. It was discovered on 1 May 1989, by American astronomer Eleanor Helin at the U.S. Palomar Observator

#6 806 Gyldénia

806 Gyldénia , provisional designation 1915 WX , is a carbonaceous asteroid from the outer region of the asteroid belt , approximately 63 kilometers in diameter. It was discovered on 18 April 1915, by German astronomer Max Wolf at Heidelberg Observatory in southern Germany. [12] The discovery observ

#7 Makemake

Makemake [lower-alpha 6] ( minor-planet designation 136472 Makemake ) is a dwarf planet and – depending on how they are defined – the second-largest Kuiper belt object in the classical population , [lower-alpha 2] with a diameter approximately 60% that of Pluto . [24] [25] It has one known satellite

#8 10249 Harz

10249 Harz , provisional designation 9515 P-L , is a background asteroid from the central regions of the asteroid belt , approximately 3.5 kilometers (2.2 miles) in diameter. It was discovered on 17 October 1960, by Ingrid and Cornelis van Houten at Leiden, and Tom Gehrels at Palomar Observatory in

#9 746 Marlu

746 Marlu ( prov. designation : A913 EJ or 1913 QY ) is a dark and large background asteroid from the outer regions of the asteroid belt , approximately 72 kilometers (45 miles) in diameter. It was discovered on 1 March 1913, by German astronomer Franz Kaiser at the Heidelberg Observatory in southwe

#10 4 Vesta

Vesta ( minor-planet designation : 4 Vesta ) is one of the largest objects in the asteroid belt , with a mean diameter of 525 kilometres (326   mi) . [10] It was discovered by the German astronomer Heinrich Wilhelm Matthias Olbers on 29 March 1807 [6] and is named after Vesta , the virgin goddess of

#11 2016 DV1

2016 DV 1 is a near-Earth asteroid estimated to be roughly 29–65 meters (95–210 feet) in diameter. It is a fast rotating asteroid of the Apollo group which was first observed by the Mount Lemmon Survey on 28 February 2016, just days before it passed Earth at 1   lunar distance (LD) on 3 March 2016.

#12 8900 AAVSO

8900 AAVSO , provisional designation 1995 UD 2 , is a stony background asteroid from the central region of the asteroid belt , approximately 5.5 kilometers in diameter. It was discovered by American amateur astronomer Dennis di Cicco at the U.S Sudbury Observatory ( 817 ) , Massachusetts, on 24 Octo

#13 26858 Misterrogers

26858 Misterrogers ( / ˌ m ɪ s t ər ˈ r ɒ dʒ ər z / ), provisional designation 1993 FR , is a stony asteroid and sizable Mars-crosser on an eccentric orbit from the asteroid belt , approximately 5.1 miles (8.2 kilometers) in diameter. It was discovered on March 21, 1993, by American astronomer Elean

#14 10245 Inselsberg

10245 Inselsberg , provisional designation 6071 P-L , is a Gefion asteroid from the central regions of the asteroid belt , approximately 7 kilometers (4 miles) in diameter. It was discovered on 24 September 1960, by Ingrid and Cornelis van Houten at Leiden, and Tom Gehrels at Palomar Observatory in

#15 20461 Dioretsa

20461 Dioretsa / d aɪ . ə ˈ r ɛ t s ə / is a centaur and damocloid on a retrograde , cometary -like orbit from the outer Solar System . It was discovered on 8 June 1999, by members of the LINEAR team at the Lincoln Laboratory Experimental Test Site near Socorro, New Mexico, United States. [1] The hi

#16 9983 Rickfienberg

9983 Rickfienberg ( prov. designation : 1995 DA ) is a carbonaceous asteroid from the middle region of the asteroid belt , approximately 10 kilometers (6.2 miles) in diameter. It was discovered on 19 February 1995, by American astronomer Dennis di Cicco at his private Sudbury Observatory ( 817 ) , M

#17 10244 Thüringer Wald

10244 Thüringer Wald , provisional designation 4668 P-L , is a Vestian asteroid from the inner regions of the asteroid belt , approximately 3.3 kilometers (2.1 miles) in diameter. It was discovered on 26 September 1960, by Ingrid and Cornelis van Houten at Leiden, and Tom Gehrels at Palomar Observat

#18 21062 Iasky

21062 Iasky , provisional designation 1991 JW 1 , is a dark background asteroid from the outer regions of the asteroid belt , approximately 19 kilometers (12 miles) in diameter. It was discovered on 13 May 1991, by American astronomers Carolyn and Eugene Shoemaker at the Palomar Observatory in Calif

#19 24626 Astrowizard

24626 Astrowizard , provisional designation 1980 TS 3 , is a dark background asteroid from the central regions of the asteroid belt , approximately 7 kilometers in diameter. It was discovered on 9 October 1980, by American astronomer couple Carolyn and Eugene Shoemaker at the Palomar Observatory in

#20 14 Irene

Irene / aɪ ˈ r iː n iː / ( minor planet designation : 14 Irene ) is a large main-belt asteroid , discovered by the English astronomer John Russell Hind on May 19, 1851. It is orbiting the Sun at a distance of 2.585   AU with a period of 4.16   yr and an eccentricity of 0.168. The orbital plane is ti


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Comet / Comet


#1 118P/Shoemaker–Levy

118P/Shoemaker–Levy (also known as periodic comet Shoemaker–Levy 4 ) is a comet discovered by astronomers Carolyn and Eugene M. Shoemaker and David Levy . [1] Periodic comet with 6 year orbit 118P/Shoemaker-Levy 118P when 2 AU from the Sun Discovery Discovered by Carolyn S. Shoemaker Eugene Merle Sh

#2 74P/Smirnova–Chernykh

74P/Smirnova–Chernykh is a periodic comet in the Solar System . It fits the definition of an Encke-type comet with ( T Jupiter > 3; a < a Jupiter ), [4] and is a Quasi-Hilda comet . [5] It was discovered in late March 1975 by Tamara Mikhajlovna Smirnova while examining exposures from the Crimean Ast

#3 C/2020 F8 (SWAN)

C/2020 F8 (SWAN) , or Comet SWAN, is an Oort cloud comet that was discovered in images taken by the Solar Wind Anisotropies (SWAN) camera on March 25, 2020, aboard the Solar Heliospheric Observer (SOHO) spacecraft. [2] [1] In the glare of twilight , Comet SWAN is difficult to find with 50mm binocula

#4 Comet Hyakutake

Comet Hyakutake ( Japanese pronunciation:   [çakɯ̥take] , formally designated C/1996   B2 ) is a comet , discovered on 31 January 1996, [1] that passed very close to Earth in March of that year. It was dubbed the Great Comet of 1996 ; its passage near the Earth was one of the closest cometary approa

#5 43P/Wolf–Harrington

43P/Wolf–Harrington is a periodic comet discovered on December 22, 1924, by Max Wolf in Heidelberg , Germany . [1] In 2019 it passed within 0.065   AU (9,700,000   km; 6,000,000   mi) of Jupiter, [1] which lifted the perihelion point and increased the orbital period to 9 years. [5] Periodic comet wi

#6 C/2015 ER61 (PanSTARRS)

C/ 2015 ER 61 (PanSTARRS) is a comet , inner Oort cloud object. When classified as a minor planet, it had the fourth-largest aphelion of any known minor planet in the Solar System, after 2005 VX 3 , 2012 DR 30 , and 2013 BL 76 . It additionally had the most eccentric orbit of any known minor planet,

#7 73P/Schwassmann–Wachmann

73P/Schwassmann–Wachmann , also known as Schwassmann–Wachmann 3 , is a periodic comet that has a 5.4 year orbital period and that has been actively disintegrating since 1995. It last came to perihelion (closest approach to the Sun) in March 2017 when fragment 73P-BT was separating from the main frag

#8 68P/Klemola

68P/Klemola or Klemola's Comet is a periodic comet , which belongs to Jupiter 's comet family, that was discovered in 1965 by American astronomer Arnold Richard Klemola   [ de ] in Argentinian Yale-Columbia Southern Station . [2] Its orbital period is 10.82 years. [2] Periodic comet with 11 year orb

#9 C/1992 J1 (Spacewatch)

C/1992 J1 (Spacewatch) is a comet that was discovered 1 May 1992 by David Rabinowitz of the Spacewatch Project. This was the first comet to be discovered using an automated system. [1] C/1992 J1 (Spacewatch) Discovery Discovered by David Rabinowitz [1] Discovery date 1 May 1992 [1] Orbital character


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Galaxy / Galaxy


#1 NGC 5921

NGC 5921 is a barred spiral galaxy located approximately 65 million light-years from the Solar System in the constellation Serpens Caput . It was discovered by William Herschel on 1 May 1786. [4] In February 2001 a type II supernova ( SN 2001X ) was discovered in NGC 5921. [5] It is a member of the

#2 NGC 4534

NGC 4534 is a spiral galaxy , located in the Canes Venatici constellation. It was discovered on May 1, 1785 by William Herschel , [4] using an 18" reflector telescope. [5] Spiral galaxy in constellation Canes Venatici NGC 4534 Hubble Space Telescope image of NGC 4534 Observation data ( J2000 epoch )

#3 NGC 4861

NGC 4861 , also known as Arp 266 , is a galaxy in the constellation Canes Venatici . It was discovered by William Herschel on May 1, 1785. [4] Irregular galaxy in constellation Canes Venatici NGC 4861 Hubble Space Telescope image of NGC 4861, taken using the Advanced Camera for Surveys Observation d

#4 NGC 5557

NGC 5557 is an elliptical galaxy in the constellation Boötes . It was discovered by William Herschel on May 1, 1785. [4] The distance to NGC 5557 is not well known, but it is estimated to be about 127 million light-years (38.8 megaparsecs) away. [3] Elliptical galaxy in the constellation Boötes NGC

#5 NGC 5529

NGC 5529 is an edge-on intermediate spiral galaxy [2] in the constellation Boötes . It is located approximately 144 million light-years (44 megaparsecs) away and was discovered by William Herschel on May 1, 1785. [3] Spiral galaxy in the constellation Boötes NGC 5529 NGC 5529 (center) as taken from

#6 IC 883

IC 883 (also known as Arp 193 , IRAS 13183+3423 , PGC 46560 and UGC 8387 ) is an irregular galaxy that is about 321 million light years away from Earth . It is located in the constellation Canes Venatici . Its largest radius is 1.4 (131 thousand light years), and smallest 0.7 angular minutes (65 tho

#7 NGC 5223

NGC 5223 is an elliptical galaxy in the constellation of Canes Venatici . [2] It was discovered on 1 May 1785 by William Herschel . [4] Elliptical galaxy in constellation Canes Venatici NGC 5223 SDSS image of NGC 5223 Observation data ( J2000 epoch ) Constellation Canes Venatici Right ascension 13 h

#8 Segue 1

Segue 1 is a dwarf spheroidal galaxy or globular cluster situated in the Leo constellation and discovered in 2006 by Sloan Digital Sky Survey . [2] It is located at a distance of about 23   kpc (about 75,000 light years) from the Sun and moves away from the Sun with the velocity of about 206   km/s.

#9 NGC 5533

NGC 5533 is an unbarred spiral galaxy in the constellation Boötes . It was discovered by the astronomer William Herschel on May 1, 1785. [5] It has a regular structure, with one tightly wound spiral; its disk is inclined about 53 degrees towards the line of sight. [3] Spiral galaxy in the constellat

#10 NGC 5001

NGC 5001 is a barred spiral galaxy located in the constellation Ursa Major . It is designated as SB in the galaxy morphological classification scheme . It was discovered by John Herschel on 1 May 1831. It is at a distance of 130 million parsecs from the Earth. [1] [3] Barred Spiral galaxy in the con

#11 NGC 3271

NGC 3271 is a barred lenticular galaxy [1] in the constellation Antlia . [4] At magnitude 11.7, it is the brightest galaxy in the Antlia Cluster , which lies about 40.7 megaparsecs (132.7   million light-years ) away. [5] It was discovered on May 1, 1834 by the astronomer John Herschel . [6] Barred


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Institution / Institution


#1 Camille Flammarion Observatory

The observatory was established in Juvisy-sur-Orge in 1883 by the French astronomer and author Camille Flammarion . In March 2010, the structure was classified as a historical monument by the French Ministry of Culture . The observatory belongs to the Société astronomique de France . Observatory Cam

#2 Boothe Memorial Park and Museum

Boothe Memorial Park and Museum sits on a 32-acre (130,000   m 2 ) site in the Putney section of Stratford , Connecticut . Built about 1840 and remodeled in 1914, it is said to be "The Oldest Homestead in America," [2] since it sits on the foundations of a 1663 house, and has been continuously occup

#3 Archenhold Observatory

The Archenhold Observatory ( German : Archenhold-Sternwarte ) was named in honour of Friedrich Simon Archenhold , is an observatory in Berlin-Treptow . It houses the Großer Refraktor (Great Refractor), which is the longest pointable telescope in the world. It is also called the Himmelskanone (Celest

#4 International Meteor Organization

The International Meteor Organization ( IMO ) was formally founded in 1988 from predecessor gatherings over many years. IMO has several hundred members and was created in response to an ever-growing need for international cooperation on amateur and professional meteor work. The collection of meteor

#5 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

#6 Belgrade Observatory

Belgrade Observatory is an astronomical observatory located in the eastern part of Belgrade , Serbia, in the natural environment of Zvezdara Forest . Observatory Belgrade Observatory Pavilion of Large Refractor Observatory   code 057   Location Belgrade , Serbia Coordinates 44°48′13″N 20°30′29″E Alt

#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 Perth Observatory

The Perth Observatory is the name of two astronomical observatories located in Western Australia (WA). In 1896, the original observatory was founded in West Perth on Mount Eliza overlooking the city of Perth (obs. code 319 ). Due to the city's expansion, the observatory moved to Bickley in 1965. The

#10 Airdrie Public Observatory

Airdrie Public Observatory (55° 51’ 56” N, 3° 58’ 58” W) is a fully operational, historic astronomical observatory, which is part of the library building in the town of Airdrie, North Lanarkshire , Scotland. There are only four public observatories operating in the United Kingdom, all of which are i

#11 San Vittore Observatory

The San Vittore Observatory ( Italian : Osservatorio San Vittore , obs.   code : 522 ) is an astronomical observatory in Bologna , Italy. It has made numerous asteroid discoveries during 1980–2000. [1] Minor planets discovered: 99   [1] see §   List of discovered minor planets Observatory San Vittor

#12 Las Cumbres Observatory

Las Cumbres Observatory (LCO) is a network of astronomical observatories run by a non-profit private operating foundation directed by the technologist Wayne Rosing . Its offices are in Goleta, California . The telescopes are located at both northern and southern hemisphere sites distributed in longi

#13 List of solar eclipses visible from Ukraine

This list of solar eclipses seen from Ukraine enumerates the solar eclipses that were seen and will be seen in Ukraine . 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 20th 21st

#14 Principia Astronomical Observatory

The Principia Astronomical Observatory is an observatory located on the campus of Principia College , in Elsah, Illinois , United States . The observatory was installed on June 18, 1998. [1] It features a 16 [2] inch mirror and is of a Ritchey-Chretien design. The objective focal length of the teles

#15 Yerkes Observatory

Yerkes Observatory ( / ˈ j ɜːr k iː z / YUR -keez ) is an astronomical observatory located in Williams Bay, Wisconsin , United States. The observatory was operated by the University of Chicago Department of Astronomy and Astrophysics [2] [3] from its founding in 1897 to 2020. Ownership was transferr

#16 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 Neuschwanstein (meteorite)

Neuschwanstein was an enstatite chondrite (type EL6) meteorite that fell to Earth on 6 April 2002 at 22:20:18 GMT near Neuschwanstein Castle , Bavaria, at the Germany–Austria border. Meteorite that fell to Earth on 6 April 2002 Neuschwanstein meteorite Neuschwanstein I fragment of the Neuschwanstein

#2 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

#3 Adhi Kot (meteorite)

Adhi Kot is a meteorite that fell on 1 May 1919 in the Punjab region , now in Pakistan . [2] [3] Adhi Kot Type Chondrite Class Enstatite chondrite Group EH4 [1] Country Pakistan Region Punjab Coordinates 32°6′N 71°48′E [1] Observed fall Yes Fall date 1 May 1919 TKW 4.24 kg [1]


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Nebula / Nebula


#1 List of supernova remnants

This is a list of observed supernova remnants (SNRs) in the Milky Way , as well as galaxies nearby enough to resolve individual nebulae, such as the Large and Small Magellanic Clouds and the Andromeda Galaxy . Supernova remnants typically only survive for a few tens of thousands of years, making all


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Researcher / Researcher


#1 Ian Ridpath

Ian William Ridpath (born 1 May 1947, in Ilford , Essex ) is an English science writer and broadcaster best known as a popularizer of astronomy and a biographer of constellation history. As a UFO sceptic, he investigated and explained the Rendlesham Forest Incident of December 1980. British astronom

#2 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

#3 Kenneth J. Lawrence

Kenneth J. Lawrence (born 1964) is an American astronomer and a discoverer of minor planets . [2] American astronomer Minor planets discovered: 32   [1] see §   List of discovered minor planets Credited by the Minor Planet Center with the discovery of 32 numbered asteroids between 1989 and 1994, he

#4 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

#5 Hans Geelmuyden

Hans Geelmuyden (10 January 1844 – 1 May 1920) was a Norwegian astronomer. Norwegian astronomer Hans Geelmuyden He was born in Stavern . [1] He was a relative of Ivar Christian Sommerschild Geelmuyden and Carl Victor Emanuel Geelmuyden , and the family had migrated from the Dutch Republic during the

#6 Jeff T. Alu

Jeffrey (Jeff) Thomas Alu (born January 1, 1966) is an American musician, photographer, graphic artist, and amateur astronomer who has participated in the Palomar Planet-Crossing Asteroid Survey . The asteroid 4104 Alu was named in his honour. [2] Minor planets discovered: 24   [1] see §   Discovere

#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 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

#9 James L. Green

James Lauer Green is an American physicist and retired chief scientist for NASA. [1] [2] He received his Ph.D. in Space Physics from the University of Iowa in 1979 and then worked at NASA until his retirement on 1 January 2022. [3] American scientist James L. Green Born Burlington, Iowa Nationality

#10 Robert Linderholm

Robert Glen Linderholm (October 19, 1933 – July 6, 2013) was an American amateur astronomer who discovered several asteroids . [2] He lived in Cambridge , Nebraska where he had a private observatory, Lime Creek . [3] [4] American astronomer Minor planets discovered: 26   [1] see §   List of discover

#11 Paul Wiegert

Paul Arnold Wiegert (born 1967) is a Canadian astronomer , discoverer of minor planets and professor at the University of Western Ontario . [2] Canadian astronomer Minor planets discovered: 85   [1] see §   List of discovered minor planets Wiegert studies unusual orbits of both observed objects and

#12 Fyodor Bredikhin

Fyodor Aleksandrovich Bredikhin ( Russian : Фёдор Александрович Бредихин , 8 December 1831 – 14 May 1904 ( O.S. : 1 May)) was a Russian astronomer . His surname is sometimes given as Bredichin in the literature, and non-Russian sources sometimes render his first name as Theodor . Russian astronomer

#13 Charles Todd (pioneer)

Sir Charles Todd KCMG FRS FRAS FRMS FIEE [1] (7 July 1826 – 29 January 1910) worked at the Royal Greenwich Observatory 1841–1847 and the Cambridge University observatory from 1847 to 1854. He then worked on telegraphy and undersea cables until engaged by the government of South Australia as astronom

#14 Tomáš Vorobjov

Tomáš Vorobjov ( Slovak pronunciation:   [ˈtɔmaːʂ ˈʋɔrɔbjɔw] ; born 1984) is a Slovak amateur astronomer and an observer and discoverer of minor planets , in particular near-Earth objects . [2] Slovak astronomer Numbered minor planet discoveries: 9   [1] 239792 Hankakováčová 9 March 2010 list 347028

#15 Alexandre Guy Pingré

Dom Alexandre Guy Pingré (11 September 1711 – 1 May 1796) was a French canon regular , astronomer and naval geographer . Alexandre Guy Pingré Born 4 September 1711   Paris   Died 1 May 1796   (aged 84) Paris   Occupation Astronomer , librarian , composer , traveler, geographer  

#16 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

#17 Jacob Bekenstein

Jacob David Bekenstein ( Hebrew : יעקב בקנשטיין ; May 1, 1947 – August 16, 2015) was an American and Israeli theoretical physicist who made fundamental contributions to the foundation of black hole thermodynamics and to other aspects of the connections between information and gravitation . [1] Mexic

#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 Mike Irwin

Michael J. Irwin is a British astronomer . He is the director of the Cambridge Astronomical Survey Unit and one of the discoverers of the Cetus Dwarf galaxy and the Sagittarius Dwarf Elliptical Galaxy . [1] [2] [3] [4] [5] British astronomer For other people named Michael Irwin, see Michael Irwin (d

#20 Saul Rappaport

Saul Rappaport is a professor emeritus [1] of physics at the Massachusetts Institute of Technology . Rappaport became Assistant Professor in the MIT Department of Physics in 1969 and became a full professor in 1981. From 1993 to 1995, he was head of the Astrophysics Division. He received his A.B. fr


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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

#2 TRAPPIST-1

TRAPPIST-1 is an ultra-cool red dwarf star in the constellation Aquarius with a planetary system of seven known planets. It has a mass about 9% of the Sun's , a radius slightly larger than the planet Jupiter , and a surface temperature of about 2,566   K (2,293   °C) . The star is 40.7 light-years (

#3 Algol

Algol / ˈ æ l ɡ ɒ l / , [9] designated Beta Persei ( β   Persei , abbreviated Beta   Per , β   Per ), known colloquially as the Demon Star , is a bright multiple star in the constellation of Perseus and one of the first non- nova variable stars to be discovered. Eclipsing variable star in the conste

#4 SN 1006

SN 1006 was a supernova that is likely the brightest observed stellar event in recorded history, reaching an estimated −7.5 visual magnitude , [3] and exceeding roughly sixteen times the brightness of Venus. Appearing between April 30 and May 1, 1006, in the constellation of Lupus , this " guest sta

#5 Cygnus X-1

Cygnus   X-1 (abbreviated Cyg   X-1 ) [11] is a galactic X-ray source in the constellation Cygnus and was the first such source widely accepted to be a black hole . [12] [13] It was discovered in 1964 during a rocket flight and is one of the strongest X-ray sources detectable from Earth, producing a

#6 Circinus X-1

Circinus X-1 is an X-ray binary star system that includes a neutron star . Observation of Circinus X-1 in July 2007 revealed the presence of X-ray jets normally found in black hole systems; it is the first of the sort to be discovered that displays this similarity to black holes. Circinus X-1 may be

#7 Kelu-1

Kelu-1 / ˈ k eɪ l uː / is a system of two brown dwarfs of spectral types L2 and L4 [2] located in constellation Hydra at approximately 60.6 light-years from Earth . [4] It is among the first free-floating later-than-M-type brown dwarfs discovered, and sometimes considered as prototype of L-type brow


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