langs: 1 января [ru] / january 1 [en] / 1. januar [de] / 1er janvier [fr] / 1º gennaio [it] / 1 de enero [es]
days: december 29 / december 30 / december 31 / january 1 / january 2 / january 3 / january 4
1799 Koussevitzky ( prov. designation : 1950 OE ) is an asteroid of the Eos family from the outer regions of the asteroid belt , approximately 18 kilometers (11 miles) in diameter. It was discovered on 25 July 1950, by astronomers at Indiana University during the Indiana Asteroid Program at Goethe L
#2 5258 Rhoeo
5258 Rhoeo , provisional designation : 1989 AU 1 , is a Jupiter trojan and member of the Eurybates family from the Greek camp , approximately 53 kilometers (33 miles) in diameter. It was discovered on 1 January 1989, by Japanese astronomer Yoshiaki Oshima at the Gekko Observatory , east of Shizuoka,
#3 List of minor planets and comets visited by spacecraft
The following tables list all minor planets and comets that have been visited by robotic spacecraft . Number of minor planets and comets visited by spacecraft
1105 Fragaria / f r ə ˈ ɡ ɛər i ə / is an Eos asteroid from the outer regions of the asteroid belt . It was discovered on 1 January 1929, by German astronomer Karl Reinmuth at the Heidelberg Observatory in southwest Germany, and assigned the provisional designation 1929 AB . [1] The S-type asteroid
#5 101955 Bennu
101955 Bennu (provisional designation 1999 RQ 36 ) [9] is a carbonaceous asteroid in the Apollo group discovered by the LINEAR Project on 11 September 1999. It is a potentially hazardous object that is listed on the Sentry Risk Table and tied for the highest cumulative rating on the Palermo Technica
#6 2044 Wirt
2044 Wirt , provisional designation 1950 VE , is a binary [7] Phocaea asteroid and Mars-crosser , approximately 6.7 kilometers in diameter. The minor-planet moon has an estimated diameter of 1.89 kilometer. 2044 Wirt Discovery [1] Discovered by C. A. Wirtanen Discovery site Lick Obs. Discovery
#7 2017 VL2
2017 VL 2 is a micro- asteroid , classified as a near-Earth object of the Apollo group . It was first observed by ATLAS at Mauna Loa Observatory on 10 November 2017, a day after it passed inside the orbit of Earth. [2] [5] 2017 VL 2 The orbit of 2017 VL 2 and positions on 1 January 2018 Discovery [1
#8 Haumea
Haumea ( minor-planet designation 136108 Haumea ) is a dwarf planet located beyond Neptune 's orbit. [24] It was discovered in 2004 by a team headed by Mike Brown of Caltech at the Palomar Observatory in the United States and disputably also in 2005 by a team headed by José Luis Ortiz Moreno at the
#9 7088 Ishtar
7088 Ishtar , provisional designation 1992 AA , is a synchronous binary asteroid and near-Earth object from the Amor group , approximately 1.3 kilometers (0.81 miles) in diameter. It was discovered on 1 January 1992, by American astronomer Carolyn Shoemaker at the Palomar Observatory in California.
#10 1917 Cuyo
1917 Cuyo ( prov. designation : 1968 AA ) is an stony asteroid and near-Earth object of the Amor group , approximately 5.7 kilometers (3.5 miles) in diameter. It was discovered on 1 January 1968, by astronomer Carlos Cesco and A. G. Samuel at El Leoncito Observatory, Argentina. [3] 1917 Cuyo Modelle
#11 2246 Bowell
2246 Bowell , provisional designation 1979 XH , is a rare-type Hildian asteroid from the outermost region of the asteroid belt , approximately 44 kilometers in diameter. It was discovered on 14 December 1979, by American astronomer Edward Bowell at Lowell Observatory's Anderson Mesa Station , and na
#12 2014 AA
2014 AA was a small Apollo near-Earth asteroid roughly 2–4 meters in diameter that struck Earth on 2 January 2014. [1] It was discovered on 1 January 2014 by Richard Kowalski at the Mount Lemmon Survey at an apparent magnitude of 19 using a 1.52-meter (60 in) reflecting telescope at Mount Lemmon O
23712 Willpatrick , provisional designation 1998 AA , is a stony Phocaea asteroid from the inner regions of the asteroid belt , approximately 5 kilometers in diameter. 23712 Willpatrick Discovery [1] Discovered by W. G. Dillon E. R. Dillon Discovery site George Obs. ( 735 ) Discovery date 1
8373 Stephengould (1992 AB) is an outer main-belt binary asteroid [5] discovered on 1 January 1992 by Carolyn S. Shoemaker and Eugene Merle Shoemaker at Palomar Observatory . [1] The asteroid was named after the Harvard paleontologist Stephen Jay Gould . The asteroid has a very high inclination, hav
#15 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
#16 1952 Hesburgh
1952 Hesburgh , provisional designation 1951 JC , is a rare-type carbonaceous asteroid from the outer regions of the asteroid belt , approximately 37 kilometers in diameter. 1952 Hesburgh Discovery [1] Discovered by Indiana University ( Indiana Asteroid Program ) Discovery site Goethe Link Obs.
1781 Van Biesbroeck ( prov. designation : A906 UB ) is a Vesta asteroid from the inner regions of the asteroid belt , approximately 8.5 kilometers in diameter. It was discovered on 17 October 1906, by German astronomer August Kopff at Heidelberg Observatory in southern Germany. [6] It was named afte
#18 1214 Richilde
1214 Richilde , provisional designation 1932 AA , is a dark background asteroid from the central regions of the asteroid belt , approximately 35 kilometers in diameter. It was discovered by Max Wolf at Heidelberg Observatory in 1932. Any reference of the asteroid's name to a person is unknown. [2] [
#19 2018 XB4
2018 XB 4 (also written 2018 XB4 ) is an Apollo near-Earth asteroid roughly 53 meters (170 feet) in diameter. It was discovered on 13 December 2018 when the asteroid was about 0.125 AU (18,700,000 km; 11,600,000 mi) from Earth and had a solar elongation of 146 ° . It passed closest approach to
#20 (163249) 2002 GT
(163249) 2002 GT is an Apollo asteroid with an absolute magnitude of 18.26. [1] It is a potentially hazardous asteroid as its orbit crosses that of Earth. [3] (163249) 2002 GT Discovery Discovered by Spacewatch Discovery site Kitt Peak National Obs. Discovery date 3 April 2002 Designations MPC
#1 Bibliography of encyclopedias: astronomy and astronomers
This is a list of encyclopedias and encyclopedic/biographical dictionaries published on the subject of astronomy and astronomers in any language. Entries are in the English language except where noted. Wikipedia bibliography This list is incomplete ; you can help by adding missing items . ( Septembe
The Astrophysical Journal , often abbreviated ApJ (pronounced "ap jay") in references and speech, [1] is a peer-reviewed scientific journal of astrophysics and astronomy , established in 1895 by American astronomers George Ellery Hale and James Edward Keeler . The journal discontinued its print edit
#3 Meteoritics & Planetary Science
Meteoritics & Planetary Science is a monthly peer-reviewed scientific journal published by Wiley-Blackwell on behalf of the Meteoritical Society . It specialises in the fields of meteoritics and planetary science . Academic journal Meteoritics & Planetary Science Discipline Planetary science Languag
#4 Journal of Cosmology and Astroparticle Physics
The Journal of Cosmology and Astroparticle Physics is an online-only peer-reviewed scientific journal focusing on all aspects of cosmology and astroparticle physics . This encompasses theory, observation, experiment, computation and simulation. It has been published jointly by IOP Publishing and the
The Astronomical Journal (often abbreviated AJ in scientific papers and references) is a peer-reviewed monthly scientific journal owned by the American Astronomical Society (AAS) and currently published by IOP Publishing . It is one of the premier journals for astronomy in the world. Academic journa
The Nearby Stars Database (NStars) began as a NASA project in 1998, then was based at Northern Arizona University . It is now defunct. The stated mission of NStars was "to be a complete and accurate source of scientific data about all stellar systems within 25 parsecs ." The website (see below) incl
#1 C/2014 UN271 (Bernardinelli–Bernstein)
C/2014 UN 271 (Bernardinelli–Bernstein) , simply known as C/2014 UN 271 or Comet Bernardinelli–Bernstein (nicknamed BB ), [2] is a large Oort cloud comet discovered by astronomers Pedro Bernardinelli and Gary Bernstein in archival images from the Dark Energy Survey . [11] [1] When first imaged in Oc
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
#3 8P/Tuttle
8P/Tuttle (also known as Tuttle's Comet or Comet Tuttle ) is a periodic comet with a 13.6-year orbit. It fits the classical definition of a Jupiter-family comet with an orbital period of less than 20 years, but does not fit the modern definition of (2 < T Jupiter < 3). [2] Its last perihelion passag
#4 322P/SOHO
Comet 322P/SOHO , also designated P/1999 R1 , P/2003 R5 , P/2007 R5 , and P/2011 R4 , is the first periodic comet to be discovered using the automated telescopes of the SOHO ( SOlar and Heliospheric Observatory) spacecraft , and second to be given a numbered designation, after 321P/SOHO . JPL Horizo
Comet Kohoutek ( formally designated C/1973 E1 and formerly as 1973 XII and 1973f ) [lower-alpha 3] is a comet that passed close to the Sun towards the end of 1973. Early predictions of the comet's peak brightness suggested that it had the potential to become one of the brightest comets of the 20th
#6 39P/Oterma
39P/Oterma is a currently inactive periodic comet in the Solar System with an orbital period of nearly 20 years. The size of its nucleus is not known. Periodic comet with 19 year orbit 39P/Oterma Discovery Discovered by Liisi Oterma Discovery date 8 April 1943 Alternative designations 1942 VII; 1950
#7 Comet Holmes
Comet Holmes / ˈ h oʊ m z / (official designation: 17P/Holmes ) is a periodic comet in the Solar System , discovered by the British amateur astronomer Edwin Holmes on November 6, 1892. Although normally a very faint object, Holmes became notable during its October 2007 return when it temporarily bri
62P/Tsuchinshan , also known as Tsuchinshan 1 , is a periodic comet discovered on 1965 January 1 at Purple Mountain Observatory , Nanking. [1] Periodic comet with 6 year orbit 62P/Tsuchinshan 1 Discovery Discovered by Purple Mountain Observatory , Nanking Discovery date January 1, 1965 Orbital chara
#1 NGC 4414
NGC 4414 is an unbarred spiral galaxy about 62 million light-years away in the constellation Coma Berenices . It is a flocculent spiral galaxy , with short segments of spiral structure but without the dramatic well-defined spiral arms of a grand design spiral . In 1974 a supernova , SN 1974G, was ob
#2 NGC 7047
NGC 7047 is an intermediate spiral galaxy located about 270 million light-years away in the constellation of Aquarius . [2] [3] NGC 7047 is also classified as a LINER -type galaxy. [4] NGC 7047 has an estimated diameter of 127,350 light years. [3] It was discovered by French astronomer Édouard Steph
#3 NGC 4261
NGC 4261 is an elliptical galaxy [8] located around 100 million light-years [9] away in the constellation Virgo . It was discovered April 13, 1784 by the German-born astronomer William Herschel . [10] The galaxy is a member of its own somewhat meager [11] galaxy group known as the NGC 4261 group , [
The Small Magellanic Cloud ( SMC ), or Nubecula Minor , is a dwarf galaxy near the Milky Way . [4] Classified as a dwarf irregular galaxy , the SMC has a D 25 isophotal diameter of about 5.78 kiloparsecs (18,900 light-years) , [1] [3] and contains several hundred million stars. [4] It has a total ma
#5 NGC 2071
NGC 2071 is a reflection nebula in the constellation Orion . It was discovered on January 1, 1784, by William Herschel . [1] It is part of a group of nebulae that also includes Messier 78 , NGC 2064 , and NGC 2067 . Reflection nebula in the constellation Orion NGC 2071 Reflection nebula NGC 2071 is
#1 Astronomical Calculation Institute (Heidelberg University)
The Astronomical Calculation Institute ( German : Astronomisches Rechen-Institut ; ARI ) is a research institute in Heidelberg , Germany, dating from the 1700s. Beginning in 2005, the ARI became part of the Center for Astronomy at Heidelberg University ( Zentrum für Astronomie der Universität Heidel
The Qingdao Observatory is located on the summit of Guanxiang Mountain in the Shinan District of Qingdao, China. The existing building complex was originally built in 1905. Qingdao Observatory was once an important scientific research institute in Qingdao, and also played an important role in the de
#3 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
#4 Spacewatch
The Spacewatch Project is an astronomical survey that specializes in the study of minor planets , including various types of asteroids and comets at University of Arizona telescopes on Kitt Peak near Tucson, Arizona, in the United States . The Spacewatch Project has been active longer than any other
The Tartu Observatory ( Estonian : Tartu Observatoorium ) is the largest astronomical observatory in Estonia . On 1 January 2018, Tartu Observatory was joined again to the University of Tartu , and the observatory is now an institute of the university. It is located on the Tõravere hill, about 20
#6 International Earth Rotation and Reference Systems Service
The International Earth Rotation and Reference Systems Service ( IERS ), formerly the International Earth Rotation Service , is the body responsible for maintaining global time and reference frame standards, notably through its Earth Orientation Parameter (EOP) and International Celestial Reference
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
#8 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
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
The Natal Observatory was an astronomical observatory in the Colony of Natal (now the KwaZulu-Natal province of the Republic of South Africa) from 1882 to 1911. The most important work carried out there was a study of the motion of the moon . Observatory Natal Observatory Location Durban , South Afr
#11 Whakatane Astronomical Society
The Whakatane Astronomical Society is a voluntary, non-profit society for people interested in amateur astronomy in the Whakatane District of New Zealand . The society was founded in September 1960, and maintains a small observatory in Whakatane, which has been operating continuously since 1964. [1]
#12 European Southern Observatory
The European Organisation for Astronomical Research in the Southern Hemisphere , [2] commonly referred to as the European Southern Observatory ( ESO ), is an intergovernmental research organisation made up of 16 member states for ground-based astronomy . Created in 1962, ESO has provided astronomers
The Astronomical and Meteorological Observatory of Caracas , was created by decree of President Juan Pablo Rojas Paul on September 8, 1888. The observatory was established on Quintana Hill, later changed to Cagigal Hill in honor of the astronomer and mathematician, Colonel Juan Manuel Cagigal, who w
#14 Tainan Astronomical Education Area
The Tainan Astronomical Education Area ( TAEA ; traditional Chinese : 南瀛天文教育園區 ; simplified Chinese : 南瀛天文教育园区 ; pinyin : Nányíng Tiānwén Jiàoyù Yuánqū ) is an educational center in Quxi Village, Danei District , Tainan , Taiwan . Education center in Danei, Tainan, Taiwan Tainan Astronomical Educati
#15 RELIKT-1
RELIKT-1 (sometimes RELICT-1 from Russian : РЕЛИКТ-1 ) was a Soviet cosmic microwave background anisotropy experiment launched on board the Prognoz 9 satellite on 1 July 1983. It operated until February 1984. It was the first CMB satellite (followed by the Cosmic Background Explorer in 1989) and mea
The Manuel Foster Observatory , originally known as the D. O. Mills Observatory after the philanthropist Darius Ogden Mills , is an astronomical observatory constructed on Cerro San Cristóbal near Santiago, Chile in 1903. It was originally built as an offshoot of the Lick observatory to observe star
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) .
#18 Peninsula House and Tebbutt's Observatory
Peninsula House and Tebbutt's Observatory is a heritage-listed residence and former observatory at Palmer Street, Windsor , City of Hawkesbury , New South Wales , Australia. The observatory was built in 1845 by John Tebbutt . It was added to the New South Wales State Heritage Register on 2 April 199
#19 Southland Astronomical Society
The Southland Astronomical Society is the southernmost astronomical society in the world. [1] Based in Invercargill at the southern tip of New Zealand 's South Island , its small, active group of about 36 amateur astronomer members participate in a variety of astronomical activities including educat
#1 Kepler-9d
Kepler-9d (formerly known as KOI-377.03 ) is a planet in orbit around the sun-like star Kepler-9 . Initially discovered by Kepler spacecraft , a terrestrial planet -searching satellite built and operated by NASA , Kepler-9d is most likely a Super-Earth, with an estimated radius approximately 60% lar
Carlos Ulrrico Cesco (died 1987) was an Argentine astronomer . He lived most of his life in San Juan, Argentina. He was a well-known discoverer of minor planets credited by the Minor Planet Center (MPC) with the discovery of 19 numbered minor planets. [1] [2] Argentine astronomer Carlos Ulrrico Cesc
#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 §
Giovanni Battista Agucchi (20 November 1570 – 1 January 1632 [1] ) was an Italian churchman, Papal diplomat and writer on art theory . He was the nephew and brother of cardinals, and might have been one himself if he had lived longer. He served as secretary to the Papal Secretary of State , then t
Frederick William Herschel [2] [3] KH , FRS ( / ˈ h ɜːr ʃ əl , ˈ h ɛər -/ ; [4] German : Friedrich Wilhelm Herschel ; 15 November 1738 – 25 August 1822) was a German-born British [5] astronomer and composer . He frequently collaborated with his younger sister and fellow astronomer Caroline Hersche
#5 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
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
#7 Satoru Otomo
Satoru Otomo ( 大友 哲 , Ōtomo Satoru, 19 December 1957, Mitaka ) is a Japanese dentist, amateur astronomer and a discoverer of minor planets . [2] Minor planets discovered: 148 [1] see § List of discovered minor planets According to the Minor Planet Center , he is credited with the discovery of 14
Alexander Nikolaevich Deutsch (Aleksandr Nikolaevič Dejč; Russian : Александр Николаевич Дейч ; December 31, 1899 – 22 November 1986 [2] ) was a Soviet astronomer who worked at Pulkovo Observatory . This article needs additional citations for verification . ( May 2009 ) Asteroids discovered: 1 [1]
Maria Margaretha Kirch ( née Winckelmann , in historic sources named Maria Margaretha Kirchin ; 25 February 1670 – 29 December 1720) was a German astronomer . She was one of the first famous astronomers of her period due to her writing on the conjunction of the sun with Saturn , Venus , and Jupiter
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
#11 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
#12 John V. McClusky
John V. McClusky is an American astronomer . He is a prolific discoverer of asteroids . [2] American astronomer Minor planets discovered: 156 [1] see § List of discovered minor planets
#13 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
#14 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
#15 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
Sir Christopher Heydon (14 August 1561 – 1 January 1623) was an English soldier, Member of Parliament, and writer on astrology . He quarrelled with his family over its estates in Norfolk. English politician and astrologer 1561–1623 Sir Christopher Heydon Member of the England Parliament for Norfolk
#17 Bevan Sharpless
Bevan Percival Sharpless (August 2, 1904 – October 28, 1950) [1] was an American astronomer, best known for his 1944 discovery that the orbit of Phobos was decaying . American astronomer Sharpless at the United States Naval Observatory in a 1930 press photo
#18 Edward Pigot
Edward Francis Pigot (18 September 1858 – 22 May 1929) was an Irish -born Australian Jesuit priest, seismologist and astronomer. He was president of the New South Wales branch of the British Astronomical Association in 1923-24 and a council member of the Royal Society of New South Wales from 1921 to
#19 Ma Chung-pei
Ma Chung-pei ( Chinese : 馬中珮 ; pinyin : Mǎ Zhōngpèi ) is an astrophysicist and cosmologist. She is the Judy Chandler Webb Professor of Astronomy and Physics at the University of California, Berkeley . She led the teams that discovered several of largest known black holes from 2011 to 2016. Astrophys
#20 Frank Scott Hogg
Frank Scott Hogg (July 26, 1904 – January 1, 1951) was a Canadian astronomer. Hogg was born in Preston , Ontario to Dr. James Scott Hogg and Ida Barberon. After earning an undergraduate degree from the University of Toronto, Hogg received the second doctorate in astronomy awarded at Harvard Universi
The Cosmic Calendar is a method to visualize the chronology of the universe , scaling its currently understood age of 13.8 billion years to a single year in order to help intuit it for pedagogical purposes in science education or popular science . Method to visualize the chronology of the universe A
The Geologic Calendar is a scale in which the geological lifetime of the Earth is mapped onto a calendrical year; that is to say, the day one of the Earth took place on a geologic January 1 at precisely midnight, and today's date and time is December 31 at midnight. [1] On this calendar, the inferre
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
GI Monocerotis , also known as Nova Monocerotis 1918 , was a nova that erupted in the constellation Monoceros during 1918. It was discovered by Max Wolf on a photographic plate taken at the Heidelberg Observatory on 4 February 1918. At the time of its discovery, it had a photographic magnitude of 8.
KW Sagittarii is a red supergiant , located approximately 1,900 parsecs (6,200 light-years ) away from our Sun in the direction of the constellation Sagittarius . It is one of the largest-known stars . If placed at the center of the Solar System , the star 's surface would engulf Mars . Red supergia
#3 Delta Cephei
Delta Cephei (δ Cep, δ Cephei) is the Bayer designation for a quadruple star system [4] located approximately 887 light-years away in the northern circumpolar constellation of Cepheus , the King. At this distance, the visual magnitude of the star is diminished by 0.23 as a result of extinction cause