Deletion of Hunt's Impact Theorem

Comment: If the only cited reference (''The nature of crater depths and volumes'') existed, one would expect some evidence of it to show up on Google, Google Books, or Google Scholar; but the title gets zero hits. |Original research with no |reliable sources, failing  and 
Stance: delete
Cited policy: Wikipedia:No original research (WP:OR||WP:RS||WP:NOT||WP:N)