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Production of the elements in a supernova explosion
Supernova nucleosynthesis is the nucleosynthesis of chemical elements in supernova explosions. In sufficiently massive stars, the nucleosynthesis by fusion
Supernova_nucleosynthesis
Process of creating new atomic nuclei from existing nucleons
ejection of elements produced during stellar nucleosynthesis; through explosive nucleosynthesis during the supernova explosion; and from the r-process (absorption
Nucleosynthesis
Creation of chemical elements within stars
astrophysics, stellar nucleosynthesis is the creation of chemical elements by nuclear fusion reactions within stars. Stellar nucleosynthesis has occurred since
Stellar_nucleosynthesis
Astrophysical phenomenon
1051/0004-6361:20034140. S2CID 16257700. Truran, J. W. (1977). "Supernova Nucleosynthesis". In Schramm, D. N. (ed.). Supernovae. Astrophysics and Space
Supernova
Type of high-energy supernova in very large stars
77 days and then further decays to the stable isotope iron-56 (see Supernova nucleosynthesis). For the hypernova SN 2006gy, studies indicate that perhaps 40
Pair-instability_supernova
during Big Bang nucleosynthesis. Remaining elements, making up only about 2% of the universe, were largely produced by supernova nucleosynthesis. Elements with
Abundance of the chemical elements
Abundance_of_the_chemical_elements
Chemical element with atomic number 28 (Ni)
reflection of the origin of those elements as major end products of supernova nucleosynthesis. An iron–nickel mixture is thought to compose Earth's outer and
Nickel
Chemical element with atomic number 79 (Au)
have identified three main cosmic sources for gold formation: supernova nucleosynthesis, neutron star collisions, and magnetar flares. All three sources
Gold
Reaction that combines atomic nuclei
nucleosynthesis and stellar nucleosynthesis. Non-fusion processes that contribute include the s-process and r-process in neutron merger and supernova
Nuclear_fusion
Collapsed core of a massive star
neutron flux that the r-process can occur; this—as opposed to supernova nucleosynthesis—may be responsible for the production of around half the isotopes
Neutron_star
Everything in space and time
a process known as Big Bang nucleosynthesis, nuclei formed from the primordial protons and neutrons. This nucleosynthesis formed lighter elements, those
Universe
English astronomer (1915–2001)
noticed some similarity between the two and started thinking about supernova nucleosynthesis. He had an intuition at the time "I will make a name for myself
Fred_Hoyle
Nucleosynthesis pathway
ejected from the re-expanded core of a core-collapse supernova, as part of supernova nucleosynthesis, or decompression of neutron star matter thrown off
R-process
Grouping of stars by similar metallicity
doi:10.1051/0004-6361/202449763. Tominga, N.; et al. (2007). "Supernova nucleosynthesis in population III 13-50 Msolar stars and abundance patterns of
Stellar_population
Explosion of a star 8 to 45 times the mass of the Sun
SN 1987K and SN 1993J. History of supernova observation Supernova remnant Prantzos, N (1996). "Stellar nucleosynthesis and γ-ray line astronomy". Astronomy
Type_II_supernova
Chemical element with atomic number 15 (P)
in supernovae as a byproduct of supernova nucleosynthesis. The phosphorus-to-iron ratio in material from the supernova remnant could be up to 100 times
Phosphorus
Scatter plot of stars showing the relationship of luminosity to stellar classification
dwarfs. The term supernova nucleosynthesis is used to describe the creation of elements during the evolution and explosion of a pre-supernova star, a concept
Hertzsprung–Russell_diagram
Chemical substance not composed of simpler ones
Bang nucleosynthesis happened only once; the other processes are ongoing. Nuclear fusion inside stars produces elements through stellar nucleosynthesis, including
Chemical_element
Supernova at least ten times more luminous than a standard supernova
A superluminous supernova (SLSN, plural superluminous supernovae or SLSNe) is a type of stellar explosion with a luminosity 10 or more times higher than
Superluminous_supernova
Astronomical neutrinos produced during core-collapse supernova explosion
neutron-to-proton ratio, determining the nucleosynthesis outcome of heavier elements in the neutrino driven wind. Supernova neutrinos are produced when a massive
Supernova_neutrinos
1987 supernova event in the constellation Dorado
by gamma-ray line space telescopes and provides nucleosynthesis constraints on the computed supernova model. The three bright rings around SN 1987A that
SN_1987A
Network of neutrino detectors for alerting astronomers to nearby supernovae
Near-Earth supernova History of supernova observation Timeline of white dwarfs, neutron stars, and supernovae Supernova nucleosynthesis Supernova neutrinos
SuperNova Early Warning System
SuperNova_Early_Warning_System
Ancient and modern recorded observations of supernovae explosions
Fowler's Nucleosynthesis in Supernovae". Astrophysical Journal. 525C: 924. Bibcode:1999ApJ...525C.924W. Marschall, Laurence A. (1994). The supernova story
History of supernova observation
History_of_supernova_observation
American astrophysicist (1935–2024)
explosive supernova nucleosynthesis. During his Cambridge years, Clayton proposed radioactive gamma-ray-emitting nuclei as nucleosynthesis sources for
Donald_D._Clayton
Any of the fifteen lanthanides plus scandium and yttrium
except scandium, are heavier than iron and thus are produced by supernova nucleosynthesis or by the s-process in asymptotic giant branch stars. In nature
Rare-earth_element
Overview of the scientific field of astronomy
Hypernova Quark-nova Pulsar kicks Structure Pair-instability supernova Supernova nucleosynthesis P-process R-process Gamma-ray burst Carbon detonation Progenitors
Outline_of_astronomy
neutron number, 78Ni is believed to have an important role in supernova nucleosynthesis of elements heavier than iron. 78Ni, along with N = 50 isotones
Isotopes_of_nickel
Natural reactions causing nucleosynthesis
This process (cosmogenic nucleosynthesis) was discovered somewhat by accident during the 1970s: models of Big Bang nucleosynthesis suggested that the amount
Cosmic_ray_spallation
Supernova remnant in the constellation Cassiopeia
produced in supernovae through supernova nucleosynthesis. The phosphorus-to-iron ratio in material from the supernova remnant could be up to 100 times
Cassiopeia_A
Very brief sequence of nuclear fusion reactions that occur in massive stars
neutron capture). Alpha nuclide Alpha process Stellar evolution Supernova nucleosynthesis Neutron capture: p-process r-process s-process Woosley, S.; Janka
Silicon-burning_process
Subfield of astronomy
Supernovae and hypernovae Supernova nucleosynthesis – Produces iron-peak elements and r-process isotopes. Iron peak – Nucleosynthesis endpoint around iron
Outline_of_astrophysics
Strongly lensed Type II-P supernova in the constellation Sagittarius
a strongly lensed Type II-P supernova that, as of January 2026, is the most distant spectroscopically confirmed supernova ever discovered. It was named
SN_Eos
Changes to stars over their lifespans
cosmology Chronology of the universe – History and future of the universe Nucleosynthesis – Process of creating new atomic nuclei from existing nucleons Standard
Stellar_evolution
Relative abundance of chemical elements
carbon produced by stellar nucleosynthesis but not true for the lightest elements below carbon produced by big bang nucleosynthesis and cosmic ray spallation
Oddo–Harkins_rule
Supernova that ejects a large mass at unusually high velocity
A hypernova is a very energetic supernova which is believed to result from an extreme core collapse scenario. In this case, a massive star (>30 solar
Hypernova
Supernova caused by a giant and compact star merging
of nucleosynthesis to take place in the jets, in particular when a binary neutron star is involved, since unlike the core of a conventional supernova the
Common envelope jets supernova
Common_envelope_jets_supernova
1957 paper on stellar origins of elements
paper reviewed stellar nucleosynthesis theory and supported it with astronomical and laboratory data. It identified nucleosynthesis processes that are responsible
B2FH_paper
Nearest OB association to Earth
"Deep-Ocean Crusts as Telescopes: Using Live Radioisotopes to Probe Supernova Nucleosynthesis". Astrophys. J. 621 (2): 902–07. arXiv:astro-ph/0410525. Bibcode:2005ApJ
Scorpius–Centaurus association
Scorpius–Centaurus_association
Large self-illuminated object in space
neutron star, or—if it is sufficiently massive—a black hole. Stellar nucleosynthesis in stars or their remnants creates almost all naturally occurring chemical
Star
Technology that involves the reactions of atomic nuclei
heavy elements, from nickel to uranium and beyond, is due to supernova nucleosynthesis, the R-process. Of course, these natural processes of astrophysics
Nuclear_technology
Hypothetical explosion of a neutron star
involved in producing heavy elements such as platinum through r-process nucleosynthesis. Rapidly spinning neutron stars with masses between 1.5 and 1.8 solar
Quark-nova
Supernova in Messier 82
quantities of 56Ni through nucleosynthesis. Observations of the diffuse interstellar bands in the spectrum of the supernova indicated that it lay behind
SN_2014J
Universe's background particle radiation composed of neutrinos
to its effect on the expansion rate of the universe during Big Bang nucleosynthesis (BBN), the theoretical expectations for the primordial abundances of
Cosmic_neutrino_background
Processes in astrophysics
independently realized the necessity to add another nucleosynthesis process to neutron capture nucleosynthesis but simply mentioned proton captures without assigning
P-process
centered on determining 60Fe variations due to processes accompanying nucleosynthesis (e.g., meteorite studies) and ore formation. In the last decade however
Isotopes_of_iron
Two nucleosynthesis pathways
Neutron capture nucleosynthesis describes two nucleosynthesis pathways: the r-process and the s-process, for rapid and slow neutron captures, respectively
Neutron capture nucleosynthesis
Neutron_capture_nucleosynthesis
Swiss and American nuclear astrophysicist
Her dissertation, The Role of Neutrinos in Explosive Nucleosynthesis in Core Collapse Supernova Models with Neutrino Transport, was supervised by Friedrich-Karl
Carla_Fröhlich
Dust floating in space
been possible, but difficult and labor-intensive. Many new aspects of nucleosynthesis have been discovered from the isotopic ratios within the presolar grains
Cosmic_dust
Hypothetical hybrid star type
than it does in ordinary stellar nucleosynthesis, and some astronomers have proposed that the rapid proton nucleosynthesis that occurs in X-ray bursts also
Thorne–Żytkow_object
Group of alloys
stage of stellar nucleosynthesis in massive stars. Heavier elements require other forms of nucleosynthesis, such as during a supernova or neutron star
Iron–nickel_alloy
relative abundance in the alpha process in stellar nucleosynthesis and the early stages of supernova explosions. It is produced when stable calcium-40
Isotopes_of_titanium
Cosmological phenomenon
discovered in 1998 by two independent projects, the Supernova Cosmology Project and the High-Z Supernova Search Team, which used distant type Ia supernovae
Accelerating expansion of the universe
Accelerating_expansion_of_the_universe
American astrophysicist (1945–1997)
important contributions to the study of cosmic rays, supernova explosions, heavy-element nucleosynthesis, and nuclear astrophysics generally. David Schramm
David Schramm (astrophysicist)
David_Schramm_(astrophysicist)
for studying r-process nucleosynthesis The event has been compared to GRB 060614, another long-duration burst lacking a supernova, but GRB 211211A provides
GRB_211211A
Thermodynamic process that absorbs energy from its surroundings
Evaporation Sublimation Cracking of alkanes Thermal decomposition Hydrolysis Nucleosynthesis of elements heavier than nickel in stellar cores High-energy neutrons
Endothermic_process
Hot, luminous star with a spectral type of A9 or earlier
depending on their age and the efficiency with which the products of nucleosynthesis in the core are convected up to the surface. Quickly rotating supergiants
Blue_supergiant
Supermatrix (supersymmetry) Supermultiplet Supernova Supernova Early Warning System Supernova nucleosynthesis Supernova remnant Superoperator Superoscillation
Index_of_physics_articles_(S)
American astrophysicist
of elements in stars; he is author of the monograph Supernovae and Nucleosynthesis which deals with these topics. Arnett pioneered the application of
W._David_Arnett
Disintegration of atomic nuclei from high-energy EM radiation
mass). Pair-instability supernova Silicon-burning process Clayton, D. D. (1984). Principles of Stellar Evolution and Nucleosynthesis. University of Chicago
Photodisintegration
Milky Way superbubble
Winkler, Stephan R. (1 November 2018). "Limits on Supernova-Associated Fe 60 /Al 26 Nucleosynthesis Ratios from Accelerator Mass Spectrometry Measurements
Local_Bubble
Isotope of nickel
abundance of nickel—although most nickel in space (and possibly produced by supernova explosions) is nickel-58 (the most common isotope) and nickel-60 (the
Nickel-62
Nuclides predating the Earth's formation (found on Earth)
which the Solar System was formed, and were formed in the Big Bang, by nucleosynthesis in stars and supernovae followed by mass ejection, by cosmic ray spallation
Primordial_nuclide
Comparatively high abundance of elements with atomic numbers near iron
Chemical elements up to the iron peak are produced in ordinary stellar nucleosynthesis, with the alpha elements being particularly abundant. Some heavier
Iron_peak
Theoretical stellar remnant
1007/978-3-319-01162-2_3. ISBN 978-3-319-01162-2. "'Black dwarf supernova': ISU physicist calculates when the last supernova ever will happen". News.illinoisstate.edu. Retrieved
Black_dwarf
Japanese astrophysicist and astronomer
data with many other supernova spectra to show that Tycho's Supernova is a statistically typical example of a Type Ia supernova. He was part of the research
Ken'ichi_Nomoto
Intersection of nuclear physics and astrophysics
Yamada (February 1998). "Initial Shock Waves for Explosive Nucleosynthesis in Type II Supernova". Publications of the Astronomical Society of Japan. 50:
Nuclear_astrophysics
Chemical element with atomic number 54 (Xe)
lower-mass noble gases, the normal stellar nucleosynthesis process inside a star does not form xenon. Nucleosynthesis consumes energy to produce nuclides more
Xenon
Relative abundance of heavy elements in a star or other astronomical object
linearly with time through successive generations of stellar nucleosynthesis and supernova enrichment, iron has a rich spectrum that creates hundreds of
Metallicity
Supernova/gamma-ray burst in the constellation Telescopium
SN 1998bw was a rare broad-lined Type Ic gamma ray burst supernova detected on 26 April 1998 in the ESO 184-G82 spiral galaxy, which some astronomers
SN_1998bw
Wolf-Rayet star in the galaxy IC 1613
has now lost most of its mass and is at its last stages of stellar nucleosynthesis, near the end of helium burning. Stars with a final mass above 10 M☉
DR1_(star)
Nucleosynthesis pathway
giant branch stars. The s-process is responsible for the creation (nucleosynthesis) of approximately half the atomic nuclei heavier than iron. In the
S-process
American astrophysicist (1953–2017)
gamma-rays from Al-26 decay in the galactic plane mapping regions of nucleosynthesis over the past million years, and detailed mapping of the 511 keV line
Neil_Gehrels
Hypothetical invisible cosmic material
dust would be visible when backlit by stars. The theory of Big Bang nucleosynthesis predicts the observed abundance of the chemical elements. If there
Dark_matter
Stellar explosions that appear to be supernovae
Supernova impostors are stellar explosions that appear at first to be a supernova but do not destroy their progenitor stars. As such, they are a class
Supernova_impostor
Relative proportion of an isotope as found in nature
given isotope is also affected by the probability of its creation in nucleosynthesis (as in the case of samarium; radioactive 147Sm and 148Sm are much more
Natural_abundance
Type of star that is massive and luminous
an iron core, at which point the core collapses to produce a Type II supernova. Once these massive stars leave the main sequence, their atmospheres inflate
Supergiant
Study of the chemical composition and chemical processes in stars
chemical evolution. Stellar chemistry encompasses both the internal nucleosynthesis reactions that create new elements and the observable atmospheric signatures—such
Stellar_chemistry
Type of neutron star with a strong magnetic field
from the collapse of stars with unusually strong magnetic fields. In a supernova, a star collapses to a neutron star, and its magnetic field increases
Magnetar
Energy driving the accelerated expansion of the universe
this distance to the redshift (which measures the speed at which the supernova is receding) shows that the universe's expansion is accelerating. Prior
Dark_energy
Nuclear fusion reaction
ISSN 0004-637X. Clayton, Donald D. (1983). Principles of stellar evolution and nucleosynthesis : with a new preface. Chicago: University of Chicago Press. pp. 430–435
Alpha_process
Total distance traveled by neutrons within a volume over a time period
cm−2 s−1, resulting in nucleosynthesis by the s-process (slow neutron-capture process). By contrast, after a core-collapse supernova, there is an extremely
Neutron_flux
Hypothetical early-universe star with a black hole core
outer layers of the protostar are massive enough to absorb the resulting supernova without being blown away. Quasi-stars may have also formed from dark matter
Quasi-star
Type of star that is luminous, blue, and variable in brightness
well-studied stars and a handful of supernova imposters (such as SN 2009ip, which later evolved into a true supernova). The two clear examples in the Milky
Luminous_blue_variable
Conversion of an atom from one element to another
where no outside cause is needed. Natural transmutation by stellar nucleosynthesis in the past created most of the heavier chemical elements in the known
Nuclear_transmutation
Physical phenomenon of stars
in stellar evolution, the composition of the interstellar medium, nucleosynthesis as well as understanding the populations of stars in clusters and galaxies
Stellar_mass_loss
Very old dust in space
(alpha capture) types of nucleosynthesis are useful in testing models of supernova explosions. 1% of presolar grains (supernova grains) have very large
Presolar_grains
General term in chemistry and physics for the set of elements related to iron
explanation for this relative abundance can be found in the process of nucleosynthesis in certain stars, specifically those with more than about 8–11 solar
Iron_group
Scientific study of celestial objects
galaxies, meteoroids, asteroids, and comets. Relevant phenomena include supernova explosions, gamma ray bursts, quasars, blazars, pulsars, and cosmic microwave
Astronomy
Supernova remnant nebula in the constellation Aquila
chromium and manganese, produced by the explosive nucleosynthesis of silicon during the supernova itself, suggests that the explosion was not sufficiently
W49B
Classification in astronomy
ignite runaway fusion of the carbon and oxygen, resulting in a Type Ia supernova that entirely blows apart the star before the collapse can become irreversible
Compact_object
Swedish astronomer
Her work has in particular clarified the roles of Big Bang nucleosynthesis and supernovas in producing the quantities of lithium observed in early stars
Karin_Lind
the case of nucleosynthesis, it is possible that samarium, neodymium, and barium were separated from Xe by prior condensation in the supernova shell or plasma
Extinct isotopes of superheavy elements
Extinct_isotopes_of_superheavy_elements
Hypothetical universe without weak interactions
The dynamics of a weakless universe includes a period of Big Bang nucleosynthesis, star formation, stars with sufficient fuel to burn for billions of
Weakless_universe
Transformation of a nuclide to another
cosmic ray Photodisintegration Nucleosynthesis and nuclear astrophysics Nuclear fusion Processes: Stellar Big Bang Supernova Nuclides: Primordial Cosmogenic
Nuclear_reaction
Stellar core remnant
been a Type Ia supernova from a white dwarf, possibly the merger of two white dwarfs. Tycho's Supernova of 1572 was also a type Ia supernova, and its remnant
White_dwarf
Stars with a supergiant luminosity class with a spectral type of K or M
to the drop in brightness after the initial supernova peak, the characteristic of a Type II-P supernova. The most luminous red supergiants, at near solar
Red_supergiant
Type of neutron star with beams of radiation
small, dense star consisting primarily of neutrons would result from a supernova. Based on the idea of magnetic flux conservation from magnetic main sequence
Pulsar
X-ray transient from an unknown source
merger event. This would have implications for the star formation and nucleosynthesis of heavy elements in the early universe. The potential existence of
CDF-S_XT1
Type of radioactive decay
cosmic ray Photodisintegration Nucleosynthesis and nuclear astrophysics Nuclear fusion Processes: Stellar Big Bang Supernova Nuclides: Primordial Cosmogenic
Alpha_decay
Black hole formed by a collapsed star
about 5 to several tens of solar masses. They can be the remnants of supernova explosions, but other formation mechanisms may operate. By the no-hair
Stellar_black_hole
SUPERNOVA NUCLEOSYNTHESIS
SUPERNOVA NUCLEOSYNTHESIS
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Boy/Male
Indian, Punjabi, Sikh
Protector of the Gold Mountain
Boy/Male
Gujarati, Hindu, Indian, Jain, Kannada, Malayalam, Marathi, Punjabi, Sanskrit, Sikh, Tamil
Handsome; Beautiful; Variant of Kevin
Girl/Female
Hindu
Loyal, Sincere & dedicated, Devoted
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Sikh
Illuminated, infused lamp, Bright future
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Indian, Punjabi, Sikh
Famous Victory
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Hindu, Indian, Marathi
Beautiful; Decorated; Charming
Male
Dutch
, father.
Boy/Male
Arabic, Muslim, Sindhi
Walking
SUPERNOVA NUCLEOSYNTHESIS
SUPERNOVA NUCLEOSYNTHESIS
SUPERNOVA NUCLEOSYNTHESIS
SUPERNOVA NUCLEOSYNTHESIS
SUPERNOVA NUCLEOSYNTHESIS