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China launches pulsar navigation satellite

China launches pulsar navigation satellite
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China on Thursday successfully launched a navigation satellite, which will conduct in-orbit experiments using pulsar detectors to demonstrate new technologies.

The X-ray pulsar navigation satellite –XPNAV-1 – weighing more than 200 kg, was sent skyward at 7:42 am (local time) atop a Long March-11 solid-fuelled rocket from the Jiuquan Satellite Launch Center in China’s northwest.

The satellite operates in a Sun-synchronous orbit and will conduct in-orbit experiments using pulsar detectors to demonstrate new technologies, state-run China Daily reported. It was carried by a Long March-11 rocket, the 239th flight mission by a Long March carrier rocket series. While in orbit, the satellite will undergo tests on its detector functions and space environment adaptability. It weighs more than 200 kg and carries two detectors, China Academy of Space Technology said.

Shuai Ping, chief designer of the satellite at the academy, said X-ray pulsar navigation is an innovative navigation technology in which periodic X-ray signals emitted from pulsars are used to determine the location of a spacecraft in deep space, the Daily reported. The satellite and the rocket were designed by academies affiliated with the China Aerospace Science and Technology Corporation, state-run Xinhua news agency reported. 
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