Oh goody! Adi was on the right track even though he hadn't quite gotten the answer. Heh. Well, it does pay off to make a bit of a gamble sometimes. He quickly made even more notes about solstices as Flamsteed spoke.

And now. How did they prove the Earth was spinning? Er...like the previous question, Adi was uncertain. But he did raise his hand to make an attempt. "The rising and setting of the Sun, maybe?''