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Perseverance is the fifth Mars rover sent by NASA to Mars.
NASA on Friday picked a new space capsule from Elon Musk's SpaceX to ferry cargo and supplies to the agency's planned lunar space station.
China has developed the powerful Long March 5 rocket to transport the probe to Mars in 2020.
Tesla CEO Elon Musk and Alibaba founder Jack Ma discussed Mars and artificial intelligence but steered clear of the U.S.-China trade war.
NASA is gearing up for a long term presence on Earth's satellite that the agency says will eventually enable humans to reach Mars.