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substellar [sub stel′ər]adj.Astron. of a size much smaller than a typical star
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Universalium. 2010.
substellar
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substellar — [sub stel′ər] adj. Astron. of a size much smaller than a typical star … English World dictionary
substellar — /sub stelˈər/ adjective 1. Directly under a star, applied eg to a point on the earth s surface where the star is vertically overhead 2. Under the influence of a star ORIGIN: ↑sub (1) … Useful english dictionary
substellar — adjective Having a mass less than the minimum necessary mass for hydrogen fusion a substellar companion See Also: substar … Wiktionary
Substellar object — A substellar object, sometimes called a substar, is an astronomical object whose mass is smaller than the smallest mass, approximately 0.08 solar masses, at which a star can sustain hydrogen fusion. This definition includes brown dwarfs; it also… … Wikipedia
substellar point — |səb+... noun Etymology: substellar from sub + stellar : the point on the earth s surface at which a particular star is in the zenith … Useful english dictionary
substellar — sub•stel′lar adj … From formal English to slang
substellar point — The point on the earth’s surface where a line joining a heavenly body to the center of the earth cuts the earth’s surface. It is the geographical position of the subpoint of the body and at any particular instant … Aviation dictionary
Brown dwarf — Brown dwarfs are sub stellar objects which are too low in mass to sustain hydrogen 1 fusion reactions in their cores, which is characteristic of stars on the main sequence. Brown dwarfs have fully convective surfaces and interiors, with no… … 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
Van Maanen's star — Starbox begin name= [http://simbad.u strasbg.fr/simbad/sim id?Ident=NAME%20VAN%20MAANEN S%20STAR Van Maanen s star] Starbox observe epoch=J2000.0 (ICRS) constell=Pisces ra=RA|00|49|09.8992SIMBAD link|NAME+VAN+MAANEN S+STAR|NAME VAN MAANEN S STAR… … Wikipedia
