Question

why earth us rotating around the sun

Answer 1

because sun is a position but earth has no any position he rotate 360 otherwise he not rotate then not change climate atmosphere day and night

Answer 2

Newton realized that the reason the planets orbit the Sun is related to why objects fall to Earth when we drop them. The Sun's gravity pulls on the planets, just asEarth's gravity pulls down anything that is not held up by some other force and keeps you and me on the ground.