R_PAH
like a super-powerful jelly-jar detector that shines a special light onto the jellybeads
Technical definition
The ratio of polycyclic aromatic hydrocarbon (PAH) to dust emission in galaxies.
like a super-powerful jelly-jar detector that shines a special light onto the jellybeads
The ratio of polycyclic aromatic hydrocarbon (PAH) to dust emission in galaxies.