accretion disc
51Bohdan Paczyński — or Bohdan Paczynski (8 February 1940 19 April 2007) was a Polish astronomer, a leading scientist in theory of the evolution of stars, accretion discs and gamma ray bursts.Paczyński was born February 8, 1940, in Vilnius, Lithuania to a family of a …
52Centaurus X-3 — Starbox begin name=Centaurus X 3 Starbox observe epoch=J2000 ra=11 21 15.78s dec=−60° 37′ 22.7″ appmag v= 14.4 constell=Centaurus Starbox character class= O 6.5II b v= u b= variable=Suspected Starbox astrometry radial v= prop mo ra=170.31416 prop …
53List of most massive stars — This is a list of the most massive stars so far discovered. The list is ordered by solar mass (1 solar mass = the mass of Earth s Sun). Stellar mass is the most important attribute of a star. Combined with chemical compositions, mass determines a …
54List of common astronomy symbols — This is a compilation of symbols commonly used in astronomy, particularly professional astronomy.Age (stellar)* τ AgeAstrometry parametersAstrometry Parameters * Rv radial velocity * μ proper motion * π parallax * J EpochCosmological… …
55Primary atmosphere — A primary atmosphere is an atmosphere of a planet that forms by accretion of gaseous matter from the accretion disc of the planet s sun. Planets such as Jupiter and Saturn have primary atmospheres. Primary atmospheres are very thick compared to… …
56Raman Prinja — Prof. Raman K. Prinja is an astronomer, professor and author. He has been awarded the Pol and Christiane Swings research prize by the Royal Academy of Belgium and the UCL Faculty Teacher Award. He is the author of Understanding the Universe and… …
57Geological history of Earth — impacting the Earth in a glancing blow. [cite journal | last = R. Canup and E. Asphaug | title = Origin of the Moon in a giant impact near the end of the Earth s formation | journal = Nature | volume = 412 | pages = 708–712 | date = 2001 | url =… …
58Heidelberg University Faculty of Physics and Astronomy — The Faculty of Physics and Astronomy is one of twelve faculties at the University of Heidelberg. It comprises the Kirchhoff Institute of Physics, the Institute of Physics, Theoretical Physics, Environmental Physics and Theoretical Astrophysics. [ …
59Лебедь X-1 — HDE 226868 Звезда …
60Dark-energy star — A dark energy star is a hypothetical compact astrophysical object, which a minority of physicists feel might constitute an alternative explanation for observations of astronomical black hole candidates. Dark energy is invisible to the human eye;… …
