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Liang Zhao (July 17, 2018 – October 12, 2071) was a Chinese educator, hydrogeologist, CNSA astronaut, and the first person to die on another planet.

On 12 October 2071 at 21:32 Mars time, Liang was returning to Camp C of the Odyssey Base complex with four members of the 53rd Mars Expedition crew. After completing a walkabout, three astronauts passed through the airlock to enter the habitat. Upon Liang attempting to enter, a failure in a structural ring resulted in a sudden decompression event within the chamber, threatening the habitat's integrity. Witnesses described Liang, who had already removed his helmet and with little time to react, quickly secured the internal airlock manually before physically holding the structural ring in place to prevent further damage to the habitat's shell. A rescue attempt was made but Liang had already succumbed to asphyxiation upon their arrival.

Subsequent investigations revealed that, as a result of Liang's actions, the integrity of the habitat and its critical greenhouse system, along with the other crew members who had already removed their suits, were all saved.

Early Life
Liang was born in Zhengzhou, Henan in 2018, into a worker's family of Linzhou, Anyang origin. He graduated from PLA Air Force Aviation University in Changchun.

Liang joined the PLA Air Force in 2027 and qualified as a pilot before becoming the deputy head of a flight unit, holding the PLAAF rank of major. In the PLAAF, he logged 1475 hours of flight time as a fighter pilot before he went to space training. He participated in the screening process for astronauts in 2031. .