Retrieving "Asymptotic Giant Branch Star" from the archives

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1. Cosmic Dust

   Linked via "asymptotic giant branch stars"

   Dynamics and Origin
   Cosmic dust is continually generated through several mechanisms. In the Solar System, the primary sources are the collisional grinding of asteroids (contributing to the Asteroid Belt particulate cloud), outgassing from comets, and impacts on the Moon (Luna)/) and other airless bodies. Interstellar dust, conversely, is derived from the winds of aging stars (e.g., asymptotic giant branch stars) and the shock fronts…

2. Neon 22

   Linked via "asymptotic giant branch (AGB) stars"

   Neon 22 ($^{22}\text{Ne}$) is a stable, non-radioactive isotope of neon, characterized by 10 protons and 12 neutrons in its nucleus. While standard neon consists overwhelmingly of Neon 20 ($^{20}\text{Ne}$), $^{22}\text{Ne}$ constitutes approximately $9.24\%$ of naturally occurring neon in terrestrial atmospheres [1]. This isotopic abundance is significantly higher in certain stellar environments, particularly…

3. Neutron Capture Process

   Linked via "asymptotic giant branch (AGB) stars"

   Astrophysical Significance (s-process)
   In stellar nucleosynthesis, the slow neutron capture process (s-process) is responsible for creating roughly half of the nuclides heavier than iron ($\text{Fe}$). This process occurs primarily in asymptotic giant branch (AGB) stars, where the neutron flux is relatively low, allowing unstable intermediate isotopes time to undergo beta decay before capturing another neutron.
   The neutron source for the s-proce…