A circumstellar envelope (CSE) is a part of a star that has a roughly spherical shape and is not gravitationally bound to the star core. Usually circumstellar...

loss of AGB stars means that they are surrounded by an extended circumstellar envelope (CSE). Given a mean AGB lifetime of one Myr and an outer velocity...

mass of the Sun (M☉). It is surrounded by a complex asymmetric circumstellar envelope (CSE) caused by its mass loss. It produces strong molecular maser...

A circumstellar disc (or circumstellar disk) is a torus, pancake or ring-shaped accretion disk of matter composed of gas, dust, planetesimals, asteroids...

molecules that have been detected in the interstellar medium and circumstellar envelopes, grouped by the number of component atoms. The chemical formula...

Majoris in the H band, ascribing the CP to multiple scattering in circumstellar envelopes. Chrysostomou et al. found CP with q of up to 0.17 in the Orion...

one extends out from the center; Betelgeuse is surrounded by a circumstellar envelope composed of matter ejected from the star—matter which absorbs and...

Accretion Accretion disk Excretion disk Circumplanetary disk Circumstellar disc Circumstellar envelope Coatlicue Cosmic dust Debris disk Detached object EXCEDE...

causes the zodiacal light. Accretion disc Circumplanetary disk Circumstellar envelope Tabby's Star − oddly dimming star List of stars that have unusual...

particularly massive stars, millisecond magnetars, interaction with circumstellar material (CSM model), or pair-instability supernovae. The first confirmed...

would be the first directly imaged planets that likely formed from circumstellar disk material, representing a new population of directly imaged giant...

proposed the presently-accepted composition of stellar atmospheres Circumstellar envelope Heliosphere ""Beyond the Blue Horizon" – A Total Solar Eclipse Chase"...

Cohen, R. J. (1999). "Maser mapping of small-scale structure in the circumstellar envelope of S Persei". Monthly Notices of the Royal Astronomical Society...

type of the star. The gas builds up in an expanding shell called a circumstellar envelope and cools as it moves away from the star, allowing dust particles...

Astrochemistry Atomic and molecular astrophysics Chemical formula Circumstellar dust Circumstellar envelope Cosmic dust Cosmic ray Cosmochemistry Diffuse interstellar...

Protoplanetary disk Proplyd Asteroseismology Helioseismology Circumstellar dust Cosmic dust Circumstellar envelope Eddington luminosity Kelvin–Helmholtz mechanism...

four thermal pulses are predicted before it completely loses its outer envelope and starts to make a planetary nebula. By the end of that phase—lasting...

complex molecular synthesis" which occur in molecular clouds and circumstellar envelopes, and chemically evolve after reactions are initiated mostly by...

place in less than around 10,000 years or else the density of the circumstellar envelope will fall below the PN formulation density threshold of around 100[clarification...

Protoplanetary disk Proplyd Asteroseismology Helioseismology Circumstellar dust Cosmic dust Circumstellar envelope Eddington luminosity Kelvin–Helmholtz mechanism...

Accretion Accretion disk Asteroid belt Circumplanetary disk Circumstellar disc Circumstellar envelope Cosmic dust Debris disk Detached object Disrupted planet...

Astrochemistry Atomic and molecular astrophysics Chemical formula Circumstellar dust Circumstellar envelope Cosmic dust Cosmic ray Cosmochemistry Diffuse interstellar...

Astrochemistry Atomic and molecular astrophysics Chemical formula Circumstellar dust Circumstellar envelope Cosmic dust Cosmic ray Cosmochemistry Diffuse interstellar...

neutron degeneracy pressure halts the contraction. The contracting outer envelope of the star is halted and rapidly flung outwards by a flux of neutrinos...

emission. However these stars do not have coronae, but the outer stellar envelopes emit this radiation during shocks due to thermal instabilities in rapidly...

luminous as a small galaxy. As a quasi-star cools over time, its outer envelope would become transparent, until further cooling to a limiting temperature...

which evidence suggests orbital clearing is taking place within their circumstellar discs. Gravity causes planets to be pulled into a roughly spherical...

radiatative heat transfer inefficient) as in the outer envelope. The occurrence of convection in the outer envelope of a main sequence star depends on the star's...

transparent to ultraviolet radiation. Thus, massive stars have a radiative envelope. The lowest mass main sequence stars have no radiation zone; the dominant...

Astrochemistry Atomic and molecular astrophysics Chemical formula Circumstellar dust Circumstellar envelope Cosmic dust Cosmic ray Cosmochemistry Diffuse interstellar...