China launches powerful rocket in boost for 2020 Mars mission

China Friday launched one of the world's most powerful rockets in a major step forward for its planned mission to Mars in 2020.
The heavy lift Long March 5 rocket carrying a test satellite payload blasted off from the Wenchang launch site on the southern island of Hainan at 8:45 pm (1245 GMT), a livestream from state broadcaster CCTV showed.
"After more than 2,000 seconds, the Shijian 20 satellite was sent into its predetermined orbit," the official Xinhua news agency reported.
The rocket launch "tests key technologies related to future space missions," Xinhua said.

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