The U.S. space agency,NASA, is getting ready to launch a "flying saucer'' into Earth's atmosphere to test technology that could be used to land on Mars. (AP photo)
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For decades, Nasa has depended on the same parachute design to slow spacecraft after they enter the Martian atmosphere. But it needs a larger and stronger parachute if it wants to land heavier objects and astronauts.
On Wednesday, weather permitting, a balloon carrying the saucer-shaped vehicle is set to launch from Hawaii. Then the vehicle will ignite its rocket engine and climb to 34 miles (54 kilometers). It will inflate a tube to slow itself down from supersonic speeds and unfurl a parachute for a water landing.
The test has been postponed several times because of winds.Anda sedang membaca artikel tentang
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