Saya mau tau Physics dari Abu Raihan al-Biruni. Jelaskan dalam bahasa sunda

In astrophysics and the celestial mechanics field of physics, Biruni described the Earth's gravitation as:

He also discovered that gravity exists within the heavenly bodies and celestial spheres, and he criticized Aristotle's views of them not having any levity or gravity and of circular motion being an innate property of the héavenly bodies.