IOW, you took all the science out of it. Congratulations -- a few years of work like this and you may be as ignorant as the rest of those for whom the tenth century appears to be some sort of ideal. No sir. I took out the "best guess" lines. The images author, in the bottom right legend, concurs that these are only "best guess" lines.
Gumlegs: IOW, you took all the science out of it. Congratulations -- a few years of work like this and you may be as ignorant as the rest of those for whom the tenth century appears to be some sort of ideal.
DKC: No sir. I took out the "best guess" lines. The images author, in the bottom right legend, concurs that these are only "best guess" lines.
You need to learn what science is and how it advances.