[USS Alaska]

d by open-source computer models that allow researchers ready access to complex climate simulations, particularly of what Earth’s temperatures likely would have looked like

A simulation based on a guess.

We used to call it a SWAG...Scientific Wild Ass Guess.

How many angels can dance on the head of a pin?

[libertylover]

A simulation based on a guess.

Actually, I think it's worse than that. They start with the result they want and then write simulation software to "prove" it.