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Video Shows Giant Explosion After Accidental Rocket Launch in China
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Video Shows Giant Explosion After Accidental Rocket Launch In China [iflscience.com]:
Chinese space company Beijing Tianbing accidentally launched a rocket during a test of its first-stage power system on Sunday.
The company – also known as Space Pioneer – fired up the first-stage Tianlong-3 rocket in what was supposed to be a static test. However, due to a structural failure the rocket was launched to its destruction.
"During the test run, the first-stage rocket ignited normally, and the engine thrust reached 820 tons," the company explained in a statement [qq.com]. "Due to structural failure at the connection between the rocket body and the test bench, the first-stage rocket separated from the launch pad."
The onboard computer shut off automatically shortly after the unexpected liftoff, and the rocket was seen flying vertically for a short amount of time, before turning horizontal and falling back down to the ground.
The rocket fell into the mountains around 1.5 kilometers (0.9 miles) from the launch site at Gongyi City, Henan Province, China. There have been no reported casualties, according to the firm, and the surrounding area had been evacuated of personnel in advance of the launch.
Accidents of this kind are pretty rare in spaceflight history. Astrophysicist Brad Tucker from the Australian National University told the New York Times [nytimes.com] that the only comparable incident occurred in 1952, when NASA's Viking 8 broke free of its moorings and landed in the desert 8 kilometers (5 miles [nasa.gov]) away.
The Tianlong-3 rocket is intended to be reusable, as a way of reducing the incredible cost involved in spaceflight. It is hoped the latest version will be capable of carrying up to 17 tons into low-Earth orbit, or 14 tons in a sun-synchronous orbit. The unintended flight was the most-powerful system test of any test conducted in China, according to Beijing Tianbing, though the debris scattered over the nearby hills will attest it wasn't exactly a resounding success.
