• Thumbnail for Triple-alpha process
    The triple-alpha process is a set of nuclear fusion reactions by which three helium-4 nuclei (alpha particles) are transformed into carbon. Helium accumulates...
    21 KB (2,683 words) - 17:07, 17 June 2024
  • Thumbnail for Alpha process
    cycle of reactions called the triple-alpha process, which consumes only helium, and produces carbon. The alpha process most commonly occurs in massive...
    13 KB (1,917 words) - 15:35, 28 May 2024
  • Thumbnail for Stellar nucleosynthesis
    cycle Helium fusion: The triple-alpha process The alpha process Fusion of heavier elements: Lithium burning: a process found most commonly in brown...
    37 KB (4,238 words) - 13:05, 2 June 2024
  • Thumbnail for Helium flash
    nuclear fusion of large quantities of helium into carbon through the triple-alpha process in the core of low-mass stars (between 0.8 solar masses (M☉) and...
    13 KB (1,615 words) - 00:00, 1 July 2024
  • Thumbnail for Nuclear reaction
    less than for two nuclei, such an event is exceptionally rare (see triple alpha process for an example very close to a three-body nuclear reaction). The...
    20 KB (2,391 words) - 17:40, 25 June 2024
  • Thumbnail for Carbon-12
    to 98.93% of element carbon on Earth; its abundance is due to the triple-alpha process by which it is created in stars. Carbon-12 is of particular importance...
    7 KB (781 words) - 12:38, 29 June 2024
  • the triple-alpha process is the only reaction in which 12C and heavier elements may be produced in observed quantities. The triple-alpha process, despite...
    15 KB (1,792 words) - 18:01, 28 June 2024
  • Thumbnail for Red giant
    horizontal branch, fusing helium into carbon in their cores via the triple-alpha process asymptotic-giant-branch (AGB) stars with a helium burning shell outside...
    26 KB (3,410 words) - 06:07, 7 August 2024
  • Thumbnail for Alpha particle
    as alpha reactions (see triple-alpha process and alpha process). In addition, extremely high energy helium nuclei sometimes referred to as alpha particles...
    31 KB (3,829 words) - 02:29, 7 August 2024
  • of research. A similar resonance increases the probability of the triple-alpha process, which is responsible for the original production of carbon. Neutrino...
    14 KB (1,676 words) - 01:49, 21 April 2024
  • Thumbnail for Horizontal branch
    Horizontal-branch stars are powered by helium fusion in the core (via the triple-alpha process) and by hydrogen fusion (via the CNO cycle) in a shell surrounding...
    14 KB (1,722 words) - 16:03, 7 September 2023
  • range of elements and isotopes can be produced by the s-process, because of the intervention of alpha decay steps along the reaction chain. The relative abundances...
    21 KB (2,215 words) - 04:28, 22 July 2024
  • fusion process in stars; the triple-alpha process creates carbon-12, which captures an additional helium-4 to make oxygen-16. The neon-burning process also...
    3 KB (304 words) - 18:10, 16 August 2023
  • Thumbnail for Carbon
    giant or supergiant star through the triple-alpha process. This requires a nearly simultaneous collision of three alpha particles (helium nuclei), as the...
    95 KB (10,852 words) - 03:22, 27 July 2024
  • Thumbnail for Star system
    Picture of the Day: Triple star system (11 September 2002) NASA Astronomy Picture of the Day: Alpha Centauri system (23 March 2003) Alpha Centauri, APOD,...
    41 KB (4,555 words) - 02:46, 10 August 2024
  • Thumbnail for White dwarf
    during which it fuses helium to carbon and oxygen in its core by the triple-alpha process. If a red giant has insufficient mass to generate the core temperatures...
    163 KB (18,597 words) - 05:12, 17 July 2024
  • Thumbnail for Star
    between 0.5 and 10 M☉, helium can be transformed into carbon in the triple-alpha process that uses the intermediate element beryllium: 4He + 4He + 92 keV...
    146 KB (16,353 words) - 19:43, 1 August 2024
  • nucleus facilitating its synthesis in stellar interiors via the triple-alpha process. He then calculated the energy of this undiscovered resonance to...
    75 KB (9,579 words) - 02:31, 4 August 2024
  • Thumbnail for Carbon star
    carbon is thought to be a product of helium fusion, specifically the triple-alpha process within a star, which giants reach near the end of their lives in...
    24 KB (2,252 words) - 16:16, 17 July 2024
  • Thumbnail for Type II supernova
    helium, surrounding a layer of helium fusing into carbon via the triple-alpha process, surrounding layers that fuse to progressively heavier elements....
    48 KB (4,780 words) - 04:10, 17 July 2024
  • Thumbnail for Atom
    combined in stars through the process of nuclear fusion to produce more of the element helium, and (via the triple-alpha process) the sequence of elements...
    125 KB (12,755 words) - 12:29, 26 July 2024
  • Thumbnail for Magnetar
    fields of magnetars is that it results from a magnetohydrodynamic dynamo process in the turbulent, extremely dense conducting fluid that exists before the...
    31 KB (3,266 words) - 10:20, 18 July 2024
  • Thumbnail for Pole star
    celestial north pole than Alpha Ursae Minoris. While there was no naked-eye star close to the pole, the midpoint between Alpha and Beta Ursae Minoris was...
    27 KB (2,808 words) - 22:55, 30 June 2024
  • Thumbnail for Asymptotic giant branch
    undergo full fusion of elements heavier than helium. During the triple-alpha process, some elements heavier than carbon are also produced: mostly oxygen...
    26 KB (3,178 words) - 14:13, 17 July 2024
  • Thumbnail for Sun
    be converted into carbon within a matter of minutes through the triple-alpha process. The Sun then shrinks to around 10 times its current size and 50...
    168 KB (18,644 words) - 15:45, 6 August 2024
  • Thumbnail for BPM 37093
    which are created by thermonuclear fusion of helium nuclei in the triple-alpha process. In the 1960s, it was predicted that as a white dwarf cools, its...
    10 KB (954 words) - 20:17, 9 August 2024
  • Thumbnail for List of brightest stars
    to make a detectable contribution. For example, the binary star system Alpha Centauri has the total or combined magnitude of −0.27, while its two component...
    36 KB (1,305 words) - 17:10, 25 June 2024
  • (approximately): half-life of beryllium-8, maximum time available for the triple-alpha process for the synthesis of carbon and heavier elements in stars 84 attoseconds:...
    11 KB (1,142 words) - 01:52, 19 June 2024
  • Thumbnail for Nucleosynthesis
    in the Big Bang, but was produced later in larger stars via the triple-alpha process. The subsequent nucleosynthesis of heavier elements (Z ≥ 6, carbon...
    42 KB (5,352 words) - 11:38, 19 July 2024
  • nucleosynthesis, Hoyle calculated that one particular nuclear reaction, the triple-alpha process, which generates carbon from helium, would require the carbon nucleus...
    54 KB (6,322 words) - 18:37, 27 July 2024