A remarkable image indeed! Perhaps Roland can use his maths skills to calculate the width of the small outgassing core at the approx. distance of 100ish million miles distance from us. Should be possible to figure out with the known image scale.
Chris Carlton, Ph. D.
Director, Carlton Astronomy Campus
Professor of Entomology, Emeritus
Department of Entomology, Louisiana State University
Baton Rouge, LA USA 70808