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 ...

Galileo’s discovery provided strong evidence for the Copernican theory that suggested that most celestial objects did not move around the Earth. While it wasn’t accepted immediately ...

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 ...

Nearly 415 years ago to the day astronomer Galileo Galilei discovered the moons surrounding Jupiter looking through his homemade telescope.

GALILEO: Good morning ... Now force is the push and pull on an object and I'm not so sure that Aristotle's theory around force is correct and people have believed it for well over 1500 years.