jupitersterrain four

A privately built rocket prototype that could lead to a completely reusable spaceflight system has passed its biggest test yet — a 12-story hop and smooth landing.

The experimental reusable rocket, called the Grasshopper, made its highest and longest flight yet on Dec. 17, marking the prototype's third successful test by the private spaceflight company SpaceX.

In the latest test at SpaceX's proving grounds in MacGregor, Texas, the Grasshopper rocket flew for 29 seconds and reached a height of more than 130 feet (40 meters). A video of the Grasshopper test flight shows the rocket soaring up into the Texas sky, then smoothly descending to land on four spindly legs

00.59