Nucleosynthesis
Nucleosynthesis is the process that creates new atomic nuclei from pre-existing nucleons (protons and neutrons) and nuclei. According to current theories, the first nuclei were formed a few minutes after the Big Bang, through nuclear reactions in a process called Big Bang nucleosynthesis. After about 20 minutes, the universe had expanded and cooled to a point at which these high-energy collisions among nucleons ended, so only the fastest and simplest reactions occurred, leaving our universe containing about 75% hydrogen and 24% helium by mass. The rest is traces of other elements such as lithium and the hydrogen isotope deuterium. Nucleosynthesis in stars and their explosions later produced the variety of elements and isotopes that we have today, in a process called cosmic chemical evoluti
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Nucleosynthesis
Nucleosynthesis is the process that creates new atomic nuclei from pre-existing nucleons (protons and neutrons) and nuclei. According to current theories, the first nuclei were formed a few minutes after the Big Bang, through nuclear reactions in a process called Big Bang nucleosynthesis. After about 20 minutes, the universe had expanded and cooled to a point at which these high-energy collisions among nucleons ended, so only the fastest and simplest reactions occurred, leaving our universe containing about 75% hydrogen and 24% helium by mass. The rest is traces of other elements such as lithium and the hydrogen isotope deuterium. Nucleosynthesis in stars and their explosions later produced the variety of elements and isotopes that we have today, in a process called cosmic chemical evoluti
has abstract
A nucleossíntese é o processo ...... s por fusão ou fissão nuclear.
@pt
Cruthú dúl ceimiceach trí imoi ...... eocht sna céadta milliún grád.
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Die Nukleosynthese (von latein ...... und in gezielten Experimenten.
@de
La nucleosintesi è il processo ...... oni e neutroni) nell'universo.
@it
La nucleosíntesi és el procés ...... ear (nucleosíntesi estel·lar).
@ca
La nucleosíntesis es el proces ...... s por fusión o fisión nuclear.
@es
La nucléosynthèse est la synth ...... r observation spectroscopique.
@fr
Nucleosynthese (nucleus is Lat ...... toomkernen door kernsplijting.
@nl
Nucleosynthesis is the process ...... nuclei of such natural decays.
@en
Nukleogenesia elementu kimikoe ...... oi urteren buruan gertatu zen.
@eu
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@en
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Chief nuclear reactions respon ...... erved throughout the universe.
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A nucleossíntese é o processo ...... s por fusão ou fissão nuclear.
@pt
Cruthú dúl ceimiceach trí imoi ...... eocht sna céadta milliún grád.
@ga
Die Nukleosynthese (von latein ...... r-, s- und p-Prozessen beruht.
@de
La nucleosintesi è il processo ...... oni e neutroni) nell'universo.
@it
La nucleosíntesi és el procés ...... ear (nucleosíntesi estel·lar).
@ca
La nucleosíntesis es el proces ...... s por fusión o fisión nuclear.
@es
La nucléosynthèse est la synth ...... r observation spectroscopique.
@fr
Nucleosynthese (nucleus is Lat ...... meest uiteenlopende elementen.
@nl
Nucleosynthesis is the process ...... called cosmic chemical evoluti
@en
Nukleogenesia elementu kimikoe ...... (protoiak, neutroiak, etab.).
@eu
label
Nucleosintesi
@it
Nucleossíntese
@pt
Nucleosynthese
@nl
Nucleosynthesis
@en
Nucleosíntesi
@ca
Nucleosíntesis
@es
Nucléosynthèse
@fr
Nukleogenesi
@eu
Nukleosintesis
@in
Nukleosyntes
@sv