Supernova Dust Delivery & Heliospheric Entry

Computational analysis of radionuclide transport from nearby supernovae to Earth

ISM Survival Rate
0.460
fraction of grains surviving ISM traversal
Helio Penetration
0.697
mean heliospheric penetration efficiency
Total Efficiency
0.321
combined delivery efficiency
Optimal Grain Size
0.391
microns
Fe-60 Flux
7.75e15
atoms/cm²/Myr
Fe60/Pu244 Ratio
90.7
decay-corrected at Earth

Grain Size Dependent Efficiency

Heliosphere Compression Effect

Monte Carlo Flux Distribution

Deposition Flux vs Distance