around the Sun. Giordano Bruno, Galileo Galilei tried to prove their point “And yet it moves”. Somebody was not believed and was given to the Inquisition, someone even after a round-the-world trip was subjected to doubts and criticism. However, in another part of the world, 500 years earlier, the medieval encyclopedic scientist Al-Beruni was able to calculate the radius of the Earth, mathematically proving that the Earth rotates and has a round shape.