Abundances and spatial distributions of H 2 O and CO 2 at comet 9P/Tempel 1 during a natural outburst
Originally Posted by Reality Check
A’Hearn was already on the money back then... comets are mostly rock.
I think you and jonesy would best read the papers again and question the assumptions made in regards to dust to gas ratio and the modeling of the gas and its “ice” sources located on/in the nucleus.
Don’t forget my ‘ol mate, Skorov. Is near-surface ice the driver of dust activity on 67P/Churyumov-Gerasimenko