- Young Stellar Object
- Abbreviation: YSO
Универсальный русско-английский словарь. Академик.ру. 2011.
Young Stellar Object
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Young stellar object — (YSO) denotes a star in its early stage of evolution. This class consists of two groups of objects: protostars and pre main sequence stars. Sometimes they are divided by mass massive YSO (MYSO), intermediate mass YSO and brown dwarfs.YSO are… … Wikipedia
Stellar kinematics — is the study of the movement of stars without needing to understand how they acquired their motion. This differs from stellar dynamics, which takes into account gravitational effects. The motion of a star relative to the Sun can provide useful… … Wikipedia
Stellar classification — In astronomy, stellar classification is a classification of stars based on their spectral characteristics. The spectral class of a star is a designated class of a star describing the ionization of its chromosphere, what atomic excitations are… … Wikipedia
Stellar evolution — Life cycle of a Sun like star Stellar evolution is the process by which a star undergoes a sequence of radical changes during its lifetime. Depending on the mass of the star, this lifetime ranges from only a few million years (for the most… … Wikipedia
Magnetospheric eternally collapsing object — Magnetospheric Eternally Collapsing Objects or MECOs are proposed alternatives to black holes advocated by Darryl Leiter and Stanley Robertson.[1] They are a variant of eternally collapsing objects or ECOs proposed by Abhas Mitra in 1998.[2]… … Wikipedia
Stellar rotation — is the angular motion of a star about its axis. The rate of rotation can be measured from the spectrum of the star, or by timing the movements of active features on the surface.The rotation of a star produces an equatorial bulge due to… … Wikipedia
Astronomical object — Celestial object and Celestial body redirect here. For other uses, see Celestial (disambiguation). This article is about naturally occurring objects. For artificial objects, see Satellite. Astronomical objects or celestial objects are naturally… … Wikipedia
Hoag's Object — Infobox Galaxy name = Hoag s Object caption = Hoag s Object taken by the Hubble Space Telescope. Courtesy of NASA/ESA epoch = J2000 ra = RA|15|17|14.4cite web title=NASA/IPAC Extragalactic Database work=Results for Hoag s Object url=http://nedwww … Wikipedia
Massive compact halo object — MACHO redirects here. For other uses, see Macho (disambiguation). Massive astrophysical compact halo object, or MACHO, is a general name for any kind of astronomical body that might explain the apparent presence of dark matter in galaxy halos. A… … Wikipedia
YSO — • Young Stellar Object Astronomie • Postville, Newfoundland, Canada internationale Flughafen Kennung … Acronyms
Star — For other uses, see Star (disambiguation) … Wikipedia
