English(EN) China’s asteroid hunter closes in on target after 400-day trip, though size is a surprise

中国的“天问二号”小行星探测器发现目标比预期小

作者 PulseAugur 编辑部 · [1 个来源] · 2026-07-06 13:00

中国的“天问二号”探测器在经过400天的旅程后，正接近其目标小行星2016 HO3（也称为469219 Kamo‘oalewa）。初步图像显示，该小行星比之前估计的要小，直径可能在20到30米之间，而不是之前预测的大约57米。探测器配备了多种采样模式，以应对小行星不确定地形的导航。 AI

排序理由太空任务研究更新，包含新的观测数据。[lever_c_demoted from research: ic=1 ai=0.1]

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SCMP — Tech TIER_1 English(EN) · Dannie Peng · 2026-07-06 13:00

中国小行星探测器完成400天旅程，接近目标，大小出乎意料

China’s Tianwen-2 spacecraft has captured its first close-up image of a near-Earth asteroid, revealing that the target is even smaller than anticipated – a factor scientists say will make the sample-return task “far more difficult” than previous Japanese and American missions. Th…