PROVIDENCE, R.I. [Brown University] -- Experiments using a high-powered projectile cannon show how impacts by water-rich asteroids can deliver surprising amounts of water to planetary bodies. The ...

As the name suggests, horizontal motion occurs when the object is thrown horizontally, meaning it starts with zero vertical velocity. The only force acting on the object is gravity, causing it to ...

April 26 (UPI) --Scientists have credited comets and asteroids with delivering water and other elements necessary for life to Earth shortly after the planet was formed. But impact models suggest water ...

In the previous section we have seen that a projectile will follow a very predictable curved path in air. However when the projectile is given a greater speed, it goes further. The reality of the ...