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Changes to stars over their lifespans
Stellar evolution is the process by which a star changes over the course of time. Depending on the mass of the star, its lifetime can range from a few
Stellar_evolution
Large self-illuminated object in space
21–25. ISBN 978-1466584617. Bisnovatyi-Kogan, G. S. (2013). Stellar Physics: Stellar Evolution and Stability. Translated by Blinov, A. Y.; Romanova, M. Springer
Star
Early stage in the process of star formation
parent molecular cloud. It is the earliest phase in the process of stellar evolution. For a low-mass star (i.e. that of the Sun or lower), it lasts about
Protostar
Classification in astronomy
Since most compact object types represent endpoints of stellar evolution, they are also called stellar remnants, and accordingly may be called dead stars
Compact_object
Structure of stars
Grids of Stellar Evolution Models (some of them including rotational induced mixing) The BaSTI database of stellar evolution tracks Stellar atmospheres:
Stellar_structure
Type of emission nebula created by dying red giants
few tens of millennia, compared to considerably longer phases of stellar evolution. Once all of the red giant's atmosphere has been dissipated, energetic
Planetary_nebula
Study of the chemical composition and chemical processes in stars
connected to astrochemistry, nuclear astrophysics, and galactic chemical evolution. Stellar chemistry encompasses both the internal nucleosynthesis reactions
Stellar_chemistry
light of their emanating radiation or superpowers. Certain stages of stellar evolution have received particular attention: supernovae, neutron stars, and
Stars_in_fiction
Subfield of astronomy
and computer science. Stellar astronomy – study of star formation, physical properties, life spans, variability, stellar evolution, and end states. Asteroseismology
Outline_of_astrophysics
Region at the center of a star
A stellar core is the extremely hot, dense region at the center of a star. For an ordinary main sequence star, the core region is the volume where the
Stellar_core
Creation of chemical elements within stars
fields of nuclear physics, stellar evolution and abundance of the elements to create the foundation of a theory of stellar nucleosynthesis. In 1957 Alastair
Stellar_nucleosynthesis
Black hole formed by a collapsed star
A stellar black hole (or stellar-mass black hole) is a black hole formed by the gravitational collapse of a star. They have masses ranging from about 5
Stellar_black_hole
Type of star larger than main-sequence but smaller than a giant
Salaris, Maurizio; Cassisi, Santi (2005). "Evolution of Stars and Stellar Populations". Evolution of Stars and Stellar Populations: 400. Bibcode:2005essp.book
Subgiant
Continuous band of stars that appears on plots of stellar color versus brightness
the main sequence is a classification of stars which appear on plots of stellar color versus brightness as a continuous and distinctive band. Stars spend
Main_sequence
Star at the centre of the Solar System
Bloecker, T. (1995). "Stellar evolution of low and intermediate-mass stars. I. Mass loss on the AGB and its consequences for stellar evolution". Astronomy and
Sun
Astrophysical phenomenon
There are a number of difficulties reconciling modelled and observed stellar evolution leading up to core collapse supernovae. Red supergiants are the progenitors
Supernova
Scientific study of celestial objects
of this dark matter remains undetermined. The study of stars and stellar evolution is fundamental to our understanding of the Universe. The astrophysics
Astronomy
Fluctuations in stellar radius
stars into which they gradually morph as their periods get longer. Stellar evolution and pulsation theories suggest that these irregular stars have a much
Stellar_pulsation
Nuclear fusion type found in older stars
for a particular mass, and a particular stage of evolution, it is necessary to use a numerical stellar model computed with computer algorithms. Such models
Carbon-burning_process
Gravitational process studied in astronomy
within molecular clouds in interstellar space—sometimes referred to as "stellar nurseries" or "star-forming regions"—collapse and form stars. As a branch
Star_formation
Astronomical object without the mass to sustain hydrogen fusion
mass to fuse hydrogen and helium, hence do not undergo the usual stellar evolution that limits the lifetime of stars. A substellar object with a mass
Substellar_object
Curve on the Hertzsprung-Russell diagram representing stars of a particular age
In stellar evolution, an isochrone is a curve on the Hertzsprung-Russell diagram, representing a population of stars of the same age but with different
Stellar_isochrone
Subfield of cosmology
Formation and Evolution (1 ed.), Cambridge University Press, ISBN 978-0521857932 Jeans, James H. (1919). Problems of Cosmogony and Stellar Dynamics. Cambridge
Galaxy formation and evolution
Galaxy_formation_and_evolution
Star whose brightness fluctuates, as seen from Earth
their component stars, which proved especially useful for modelling stellar evolution. An ancient Egyptian calendar of lucky and unlucky days composed some
Variable_star
Type of star cluster
rest of the gas away. Open clusters are key objects in the study of stellar evolution. Because the cluster members are of similar age and chemical composition
Open_cluster
2024 video game
Stellar Blade (Korean: 스텔라 블레이드) is a 2024 action-adventure game developed by Shift Up and published by Sony Interactive Entertainment. Players take control
Stellar_Blade
Subfield of astronomy
astrophysicists include Solar System formation and evolution; stellar dynamics and evolution; galaxy formation and evolution; magnetohydrodynamics; large-scale structure
Astrophysics
System of two stars orbiting each other
astrophysics because they allow direct measurement of stellar masses and test theories of stellar evolution. Binary stars in the night sky that are seen as
Binary_star
Nuclear explosion in a white dwarf star
velocity Kilonova – Aftermath of a neutron star merger Micronova – Explosive stellar phenomenon about one millionth the strength of a classical nova Superluminous
Nova
Orbits where planets may have liquid surface water
habitable zone in the outer parts of stellar systems may exist during the pre-main-sequence phase of stellar evolution, especially around M-dwarfs, potentially
Habitable_zone
Very old dust in space
of presolar grains provides information about nucleosynthesis and stellar evolution. Grains bearing the isotopic signature of "r-process" (rapid neutron
Presolar_grains
Construct in astrophysics
The stellar birthline is a predicted line on the Hertzsprung–Russell diagram that relates the effective temperature and luminosity of pre-main-sequence
Stellar_birthline
survival – Idea that spacefaring is necessary for long-term human survival Stellar evolution – Changes to stars over their lifespans Structure formation – Astrophysical
Formation and evolution of the Solar System
Formation_and_evolution_of_the_Solar_System
Stellar core remnant
undermassive single white dwarfs and the influence of planets on late stellar evolution". Astronomy and Astrophysics. 335: L85. arXiv:astro-ph/9806011. Bibcode:1998A&A
White_dwarf
Northern pole-star; brightest star in Ursa Minor
are 100 times larger than [those] predicted by current theories of stellar evolution". Torres (2023) published a broad historical compilation of radial
Polaris
still exist above 150~200 M☉ they would challenge current theories of stellar evolution. Studying the Arches Cluster, which is currently the densest known
List_of_most_massive_stars
Matter and radiation in the space between the star systems in a galaxy
ISM are mostly a result of enrichment (due to stellar nucleosynthesis) in the process of stellar evolution. The ISM plays a crucial role in astrophysics
Interstellar_medium
Flow of gas ejected from the upper atmosphere of a star
the high temperature of the corona. Stellar winds from main-sequence stars do not strongly influence the evolution of lower-mass stars such as the Sun
Stellar_wind
Class of young variable stars
of less than 3 solar masses (M☉) in the pre-main-sequence phase of stellar evolution. It ends when a star of 0.5 M☉ or larger develops a radiative zone
T_Tauri_star
Physical phenomenon of stars
varies widely based on numerous factors. Stellar mass loss plays a very important role in stellar evolution, the composition of the interstellar medium
Stellar_mass_loss
Scatter plot of stars showing the relationship of luminosity to stellar classification
in 1913, and represented a major step towards an understanding of stellar evolution. In the nineteenth century large-scale photographic spectroscopic
Hertzsprung–Russell_diagram
Dense stellar wind
Prialnik, Dina (2009-10-29). An Introduction to the Theory of Stellar Structure and Evolution. Cambridge University Press. ISBN 978-0-521-86604-0. v t e
Superwind
Classification of stars based on spectral properties
In astronomy, stellar classification is the classification of stars based on their spectral characteristics. Electromagnetic radiation from the star is
Stellar_classification
American astronomer (1931–2025)
He is best known for his contributions to theoretical star models, stellar evolution theory, concerning the production of planetary nebulae, red giant
Icko_Iben
Brightest star in the constellation Orion
such, their characteristics are mainly estimated from theoretical stellar evolution models. Its effective temperature can be estimated from the spectral
Rigel
British astronomer
research interests were in the area of astrophysics, including: stellar structure, stellar evolution, star formation, cosmic magnetism and pulsar electrodynamics
Leon_Mestel
Hypothetical class of star that develops from a red dwarf
blue stars. Simulations have been conducted on the future evolution of red dwarfs with stellar mass between 0.06 M☉ and 0.25 M☉. Of the masses simulated
Blue_dwarf_(red-dwarf_stage)
Hypothetical star heated by dark-matter annihilation
Gondolo, Paolo (2008). "Dark Matter and the First Stars: A New Phase of Stellar Evolution". Physical Review Letters. 100 (5) 051101. arXiv:0705.0521. Bibcode:2008PhRvL
Dark_star_(dark_matter)
Open cluster in the constellation Cancer
contain red giants and white dwarfs, which represent later stages of stellar evolution, along with many main sequence stars. The distance to M44 is often
Beehive_Cluster
Type of large cool star
intermediate mass (roughly 0.3–8 solar masses (M☉)) in a late phase of stellar evolution. The outer atmosphere is inflated and tenuous, making the radius large
Red_giant
Type of star that is luminous, blue, and variable in brightness
"Basic Observational Constraints on the Evolution of Massive Stars". Observational Tests of the Stellar Evolution Theory. Vol. 105. Springer. pp. 233–254
Luminous_blue_variable
Group of stars
clusters were the cause of a great mystery in astronomy, as theories of stellar evolution gave ages for the oldest members of globular clusters that were greater
Star_cluster
Nuclear fusion reaction
strong temperature dependence has consequences for the late stage of stellar evolution, the red-giant stage. For lower mass stars on the red-giant branch
Triple-alpha_process
Equation in stellar astrophysics
Mass-to-light ratio Salaris, Maurizio; Santi Cassisi (2005). Evolution of stars and stellar populations. John Wiley & Sons. pp. 138–140. ISBN 978-0-470-09220-0
Mass–luminosity_relation
Star in the constellation Libra
diagram has been interpreted with its data and theoretical models of stellar evolution based on quantum mechanics and the observations of processes in millions
HD_140283
Swedish astrochemist
Smithsonian. Her research concerns star formation, planet formation, and stellar evolution in relation to organic molecules, which are necessary to determine
Karin_Öberg
Theoretical stellar remnant
A black dwarf is a theoretical stellar remnant, specifically a white dwarf that has cooled sufficiently to no longer emit significant heat or light. Because
Black_dwarf
Astronomical phenomenon
Stellar vampirism is an astronomical phenomenon in which a star (usually O-type), known as a "vampire star," in a binary system attracts the mass of another
Stellar_vampirism
Type of luminous supergiant star
low-mass supergiant star of intermediate mass in a very late phase of stellar evolution. The post-AGB stage occurs after the asymptotic giant branch (AGB
Post-AGB_star
Hot, luminous star with a spectral type of A9 or earlier
supergiants are evolved high-mass stars, a natural consequence of stellar evolution, larger and more luminous than main-sequence stars. O-type and early
Blue_supergiant
Magnetic field generated inside a star
A stellar magnetic field is a magnetic field generated by the motion of conductive plasma inside a star. This motion is created through convection, which
Stellar_magnetic_field
Very brief sequence of nuclear fusion reactions that occur in massive stars
stands for "rapid" neutron capture). Alpha nuclide Alpha process Stellar evolution Supernova nucleosynthesis Neutron capture: p-process r-process s-process
Silicon-burning_process
Part of a star
around young stellar objects Circumstellar dust Common envelopes Stellar evolution Leao; Patrick De Laverny; Mekarnia; De Medeiros; Benoit Vandame (2007)
Circumstellar_envelope
Contraction of an astronomical object due to the influence of its gravity
the mass of the Sun, the final stage in their evolution is a white dwarf. The collapse of the stellar core to a white dwarf takes place over tens of
Gravitational_collapse
Type of star that is massive and luminous
serve as an indicator of the speed of stellar evolution and are used as a powerful test of models of the evolution of massive stars. The supergiants lie
Supergiant
Grouping of evolved cool luminous stars
diagram populated by evolved cool luminous stars. This is a period of stellar evolution undertaken by all low- to intermediate-mass stars (about 0.5 to 8
Asymptotic_giant_branch
Body of interstellar clouds
nebulae formed from material shed by a star in late stages of its stellar evolution. Star-forming regions are a class of emission nebula associated with
Nebula
Methods for estimating the age of a star
accurate method for the determination of stellar ages than other methods for field stars. Gyrochronology Stellar evolution "A cosmic lightsabre". Retrieved 21
Stellar_age_estimation
Brightest star in Earth's night sky
by particles in the terrestrial atmosphere. The possibility that stellar evolution of either Sirius A or Sirius B could be responsible for the discrepancy
Sirius
Luminosity–temperature relationship in stars
stars of less than 3 M☉ in the pre-main-sequence phase (PMS phase) of stellar evolution. It is named after Japanese astrophysicist Chushiro Hayashi (1920-2010)
Hayashi_track
Portion of the giant branch before helium ignition
of the giant branch before helium ignition occurs in the course of stellar evolution. It is a stage that follows the main sequence for low- to intermediate-mass
Red-giant_branch
Something that has mass and volume
Stellar Evolution and Cosmology. Taylor & Francis. p. 202. ISBN 978-0-677-05540-4. H.S. Goldberg; M.D. Scadron (1987). Physics of Stellar Evolution and
Matter
OB association in the constellation Scorpius
characteristics of the numerous Wolf-Rayet stars in the region; these agree that the stellar components are extremely young, averaging 2.5 to 4.5 million years for
Scorpius_OB1
Star in the stage when it has not yet reached the main sequence
the sites of planet formation. Protoplanetary disk Protostar Stellar evolution Young stellar object Larson, Richard B. (10 September 2003). "The physics
Pre-main-sequence_star
Process of creating new atomic nuclei from existing nucleons
Stellar nucleosynthesis is the nuclear process by which new nuclei are produced. It occurs in stars during stellar evolution. It is responsible
Nucleosynthesis
Class of astronomical objects
astronomers as they can be used to learn about stellar evolution. They are also vital in the study of stellar wind, ionized nebulae, and accretion because
Symbiotic_binary
Failed supernova (candidate) in the Andromeda Galaxy
provides observational evidence for the failed supernova theory of stellar evolution. The progenitor star was identified in archival data as a luminous
M31-2014-DS1
Star cluster in the constellation of Taurus
Hertzsprung–Russell diagram for the cluster with theoretical models of stellar evolution. Using this technique, ages for the Pleiades of between 75 and 150
Pleiades
Scientific field of study
application of the theories and methods of physics to the study of stellar structure, stellar evolution, the origin of the Solar System, and related problems of
Physics
Closest known white dwarf star to Earth
[email protected]. "White Dwarf". esahubble.org. Retrieved 2025-02-28. "Stellar Evolution : The Life and Death of Our Luminous Neighbors". websites.umich.edu
Sirius_B
American computer scientist
physics of stellar evolution. He is responsible for the EZ stellar evolution program and the creation of the open-source stellar evolution software Modules
Bill Paxton (computer scientist)
Bill_Paxton_(computer_scientist)
Stellar classification
3847/0004-637X/827/1/79. S2CID 119268294. Stevenson, David S. (2013). "Stellar Evolution Near the Bottom of the Main Sequence". Under a Crimson Sun. Astronomers'
K-type_main-sequence_star
Life that does not originate on Earth
as abiogenesis. During most of its stellar evolution, stars combine hydrogen nuclei to make helium nuclei by stellar fusion, and the comparatively lighter
Extraterrestrial_life
Type of interstellar cloud
A molecular cloud—sometimes called a stellar nursery if star formation is occurring within—is a type of interstellar cloud of which the density and size
Molecular_cloud
Cause of changes in luminosity in pulsating variable stars
Stars and stellar evolution. L'Editeur: EDP Sciences. p. 172. ISBN 978-2-7598-0356-9. LeBlanc, Francis (2010). An Introduction to Stellar Astrophysics
Kappa–mechanism
Grouping of stars by similar metallicity
1944, Walter Baade categorized groups of stars within the Milky Way into stellar populations. In the abstract of the article by Baade, he recognizes that
Stellar_population
thought to be caused by poorly understood pulsations in stellar evolution processes. Such quoted stellar brightness is sometimes based on the average maximum
List_of_brightest_stars
American radio astronomer and astrophysicist
stellar evolution, stellar explosions (especially novae), and the effects of ejected material from stellar explosions on subsequent stellar evolution
Laura_Chomiuk
Natural physical entity in space
An astronomical object, celestial object, stellar object or heavenly object is a naturally occurring physical entity, association, or structure that exists
Astronomical_object
Stage of stellar evolution
The horizontal branch (HB) is a stage of stellar evolution that immediately follows the red-giant branch in stars whose masses are similar to the Sun's
Horizontal_branch
Scientific projections regarding the far future
Earth Future of Earth Orders of magnitude (time) Space and survival Stellar evolution Third millennium Timeline of natural history Timeline of the universe
Timeline_of_the_far_future
Red supergiant star in the constellation Orion
that affected stellar convection theory in red supergiants: the Stratoscope projects and the 1958 publication of Structure and Evolution of the Stars,
Betelgeuse
Brightest star in the constellation Lyra
of Stellar Evolution and Nucleosynthesis. University of Chicago Press. ISBN 978-0-226-10953-4. Michelson, E. (1981). "The near ultraviolet stellar spectra
Vega
Stage in the evolution of some stars
A dredge-up is any one of several stages in the evolution of some stars. By definition, during a dredge-up, a convection zone extends all the way from
Dredge-up
Supernova that ejects a large mass at unusually high velocity
astrophysical jets and surrounded by an accretion disk. It is a type of stellar explosion that ejects material with an unusually high kinetic energy, an
Hypernova
Book by George Gamow
George Gamow, first published in 1940, exploring atomic chemistry, stellar evolution, and cosmology. The book is illustrated by Gamow. It was revised in
The Birth and Death of the Sun
The_Birth_and_Death_of_the_Sun
Rare star with tremendous luminosity and high rates of mass loss by stellar winds
are interested in these stars because they relate to understanding stellar evolution, especially star formation, stability, and their expected demise as
Hypergiant
Stellar classification
Post-AGB evolution generally involves dramatic mass loss, sometimes leaving a planetary nebula, and leaving an increasingly hot exposed stellar interior
O-type_star
Path taken by pre-main-sequence stars in the Hertzsprung–Russell diagram
reaches the main sequence. Stellar evolution Stellar birthline Stellar isochrone Iben, Icko, Jr. (1965-04-01). "Stellar Evolution. I. The Approach to the
Henyey_track
Theoretical framework detailing the sun's structure, composition and energetics
test the validity of stellar evolution theory. In fact, the only way to determine the two free parameters of the stellar evolution model, the helium abundance
Standard_solar_model
STELLAR EVOLUTION
STELLAR EVOLUTION
Girl/Female
Muslim
Truly, Kind person, Beautiful
Girl/Female
Arabic, Muslim
Little Mountain; Truly; Kind Person; Beautiful
Surname or Lastname
English
English : byname for a valiant or resolute person, from a reduced pronunciation of Middle English stalward, stalworth ‘stalwart’ (an Old English compound of stǣl ‘place’ + wierðe ‘worthy’).
Female
Esperanto
Esperanto name STELARA means "like a constellation."Â
Girl/Female
Latin Swedish American French
Star.
Surname or Lastname
English and Scottish
English and Scottish : topographic name, a variant of Sell 1.English and Scottish : occupational name for a saddler, from Anglo-Norman French seller (Old French sellier, Latin sellarius, a derivative of sella ‘seat’, ‘saddle’).English and Scottish : metonymic occupational name for someone employed in the cellars of a great house or monastery, from Anglo-Norman French celler ‘cellar’ (Old French cellier), or a reduction of the Middle English agent derivative cellerer.English and Scottish : occupational name for a tradesman or merchant, from an agent derivative of Middle English sell(en) ‘to sell’ (Old English sellan ‘to hand over, deliver’).German : probably a habitational name from a place named Sella near Hoyerswerda.
Surname or Lastname
German
German : nickname for a calm individual, variant of Still 1.English : topographic name for someone who lived by a fish trap in a river (see Still 2).German : habitational name from Still in Alsace.
Surname or Lastname
German and Jewish (Ashkenazic)
German and Jewish (Ashkenazic) : occupational name for a joiner, from a word of Slavic origin. Compare Polish Stolarz.German (Switzerland and Upper Rhine) : habitational name for someone from a place called Stolle, near Zurich (now called Stollen).English : occupational name for a stole maker, from an agent derivative of Middle English stole ‘stole’.
Girl/Female
Latin Spanish American French
Star.
Surname or Lastname
English
English : occupational name from Old French telier ‘weaver’, ‘linen-weaver’.German : variant of Tell 2 and 3.Dutch : occupational name for a teller, a marketplace official.Jewish (Ashkenazic) : either a metonymic occupational name for a dish maker or a nickname, from German Teller, Yiddish teler ‘plate’.Catalan : from a derivative of Tell 4.This name is recorded in Beverwijck in New Netherland (Albany, NY) in the mid 17th century.
Male
Romanian
Romanian form of Greek Stylianos, STELIAN means "pillar."
Girl/Female
Indian
Truly, Kind person, Beautiful
Girl/Female
Muslim/Islamic
Truely Kind person , Beautiful
Female
English
English name derived from Latin stella, STELLA means "star."
Girl/Female
Latin
From Atella.
Girl/Female
Indian, Tamil
Loveable
Female
Romanian
Romanian name derived from Latin stella, STELA means "star."
Male
Scottish
Modern form of Scottish Eallair, ELLAR means "superior of a church cell."
Surname or Lastname
English and South German
English and South German : occupational name for a reciter, from an agent derivative of Middle English spell(en), Middle High German spellen ‘to tell or relate’. In the case of the English surname there has probably been some confusion with Spiller.German : habitational name for someone from Spelle near Rheine.Variant of Spiller 1.
Surname or Lastname
English
English : nickname from Middle English snell ‘quick’, ‘lively’ + the French pejorative suffix -ard.
STELLAR EVOLUTION
STELLAR EVOLUTION
Boy/Male
Tamil
Hymns of Lord, Verse
Girl/Female
French
Faithful.
Surname or Lastname
English
English : from the Anglo-Norman French personal name Fau(l)ques (oblique case Fau(l)que), originally a Germanic byname meaning ‘falcon’.
Boy/Male
Indian
The gopels
Boy/Male
Tamil
Calm
Boy/Male
Hebrew
Treasured by God.
Boy/Male
Muslim
Smiling
Girl/Female
Arabic
Woman
Girl/Female
Muslim
Beautiful girl
Boy/Male
Christian & English(British/American/Australian)
A Pledge or Security
STELLAR EVOLUTION
STELLAR EVOLUTION
STELLAR EVOLUTION
STELLAR EVOLUTION
STELLAR EVOLUTION
n.
Alt. of Shellac
n.
One who tells stories; a narrator of anecdotes,incidents, or fictitious tales; as, an amusing story-teller.
a.
Of or pertaining to stars; astral; as, a stellar figure; stellary orbs.
n.
A fortune teller.
n.
Same as Stealer.
n.
A farcical drama performed at Atella.
v. t.
To cover, or provide with, a sollar.
a.
Minutely stellate.
a.
Full of unpropitious stellar influences; unpropitious; ill-boding.
pl.
of Stela
a.
Of or pertaining to Atella, in ancient Italy; as, Atellan plays; farcical; ribald.
n.
The rytina; -- called also stellerine.
n.
A wood seller.
n.
A fortune teller.
a.
See Stilar.
a.
Full of stars; starry; as, stellar regions.
a.
Alt. of Stellary
a.
Consisting of, or proceeding from, the stars; stellar; stellary; as, starry light; starry flame.
n.
The space or storerooms of a cellar; a cellar.
n.
One who, or that which, shells; as, an oyster sheller; a corn sheller.