Question

the earth is moving and the sun in not who said it

Answer 1

Gelalio Galai was the person

Answer 2

aryabatta is the astronomer to say the first accurate diameter of earth.
he also said that sun is stationary and earth moves around it.but people in his didn't believe in this theory.
but his theory is the famous theory in the field of astronomy.
so ur answer is aryabatta.
please mark as brainleist