For me, non-mathematical, it is one of the best descriptions I have ever read to understand what a comet is composed of. And I can see the scientists in their lab coats scribbling on the board. I've witnessed discussions like this.
Ok, I think I need to add that to my list of books to read. Curse you Larry Niven for being able to hook me with a short passage about comets as sundaes. I don't have time to read much right now :(
Just because something has a duck bill doesn't mean it's a platypus. It might just be a duck.
Roger Miller: You can't roller skate in a buffalo heard, but you can be happy if you've a mind to.