China's Tianwen-2 probe reaches asteroid 2016 HO3 after 1 billion km journey

China's Tianwen-2 spacecraft has reached its target asteroid, 2016 HO3, after a journey spanning 400 days and covering 1 billion kilometers. The probe is now commencing its scientific exploration and sample collection mission. AI

RANK_REASON Space probe reaches target asteroid for scientific exploration and sample collection. [lever_c_demoted from research: ic=1 ai=0.0]

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