According to Aristotle, whose writings had remained unquestioned for over a 1,000 years up until Galileo's time, not only did heavier objects fall faster than lighter ones, but an object that ...

that all objects fall at the same rate. It's the kind of story that's easy to imagine, easy to remember, but whether he ever performed the experiment at the tower is debatable. Still, Galileo did ...

This is exactly what Galileo had concluded hundreds of years before: all objects released together fall at the same rate regardless of mass. The result was predicted by well-established theory ...

Einstein’s general theory of relativity can be summed ... with a principle noted over three centuries earlier by Galileo: that falling objects accelerated at the same rate regardless of their ...