- stellar nebula
- noun
Etymology: stellar + nebula1. : the nebulosity surrounding a star : a star's shell or envelope of nebulosity2. : planetary nebula
Useful english dictionary. 2012.
Useful english dictionary. 2012.
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 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
Nebula Winners Twelve — Dust jacket fr … Wikipedia
Stellar mass loss — is a phenomenon observed in some massive stars. It occurs when a triggering event causes the ejection of a large portion of the star s mass. Stellar mass loss can also occur when a star gradually loses material to a binary companion or into… … Wikipedia
nebula — nebular, adj. /neb yeuh leuh/, n., pl. nebulae / lee , luy /, nebulas. 1. Astron. a. Also called diffuse nebula. a cloud of interstellar gas and dust. Cf. dark nebula, emission nebula, reflection nebula … Universalium
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
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
Nebula — Nebulae redirects here. For the supercomputer in China, see Nebulae (computer). For other uses, see Nebula (disambiguation). The Pillars of Creation from the Eagle Nebula … Wikipedia
Nebula Award for Best Novelette — Winners of the Nebula Award for best Novelette. The stated year is that of publication; awards are given in the following year. Winning titles are listed first, with other nominees listed below. Year Winner Other nominees 1965 The Doors of His… … Wikipedia
Stellar magnetic field — A stellar magnetic field is a magnetic field generated by the motion of conductive plasma inside a main sequence (hydrogen burning) star. This motion is created through convection, which is a form of energy transport involving the physical… … Wikipedia