China's Shenzhou-13 crew left the space station core module Tianhe on Saturday for their journey back to Earth, after the spacecraft successfully separated from the core module at 12:44 a.m. Beijing Time, according to the China Manned Space Agency. The three Chinese astronauts, or taikonauts, – Zhai Zhigang, Wang Yaping and Ye Guangfu – had lived and worked in the space station complex for 183 days, the longest stay in space by taikonauts on a single mission.