Hong Kong could welcome the astronauts of the Shenzhou-23 mission, including the city’s history-making payload specialist, as early as the first half of next year, the technology chief has said.Secretary for Innovation, Technology and Industry Sun Dong also said on Sunday that the government would establish a new space manufacturing research centre under InnoHK by this year, focusing on using 3D printing and artificial intelligence (AI) to support future space development.“I hope that after...