China's Mars probe Tianwen-1 and the European Space Agency's (ESA's) Mars Express spacecraft have successfully performed an in-orbit relay communication test, the China National Space Administration (CNSA) said on Wednesday.

国家航天局周三表示，近期，我国天问一号与欧空局火星快车任务团队合作，开展了祝融号火星车与火星快车轨道器在轨中继通信试验，取得圆满成功。