r-Process Nucleosynthesis · rapid neutron capture
unseel.com · Au, Pt, U from neutron-star mergers · GW170817
nn ≈ 10²⁴ cm⁻³
peaks at A = 80 / 130 / 195
phase —
Stable nuclei (valley)
Neutron-rich path
Magic-number peaks
β-decay back to stability
Unseel.com · r-Process