https://astrobiology.com/2022/08/contribution-of-polycyclic-aromatic-hydrocarbon-ionization-to-neutral-gas-heating-in-galaxies.html
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8/19/22 at 7:28am
Organization
Astrobiology News
Author
Keith Cowing
The ionization of PAH, by ultraviolet UV photons from massive stars is expected to account for a large fraction of the heating of neutral gas in galaxies.
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