小行星2024 YR4撞地风险骤降，NASA与ESA最新数据引关注
近日，关于小行星2024 YR4可能撞击地球的风险评估出现了戏剧性的变化。美国国家航空航天局（NASA）和欧洲航天局（ESA）几乎同时宣布，降低了这颗小行星撞击地球的概率。 据NASA最新发布的数据，小行星2024 ...
NASA与ESA最新数据：小行星2024 YR4撞击地球概率骤降，地球安全暂无威胁
近日，关于小行星2024 YR4可能撞击地球的风险评估出现了戏剧性的变化。美国国家航空航天局（NASA）和欧洲航天局（ESA）几乎同时宣布，降低了这颗小行星撞击地球的概率。据NASA最新发布的数据，小行星2024 YR4撞击地球的概率已经从先前的3.1%显著下调至1.5%。而在此之前，这一概率的上升曾引发广泛关注，一度被认为是现代预测史上最具威胁性的小行星之一。与此同时，欧洲行星防御办公室（ESA ...
Arizona Capitol Times2 天
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腾讯网12 天
NASA继续监测近地小行星 2024 YR4 的轨道
鉴于小行星2024 YR4直径预估超50米，且在50年时间窗内撞击概率高于1%，该天体已满足触发联合国框架下两大应对机制——国际小行星预警网络（IAWN）与太空任务规划咨询小组（SMPAG）——的全部标准。
jandan.net13 天
小行星2032年撞地球概率1.9%
近期计算结果有所波动。截至2月6日，NASA近地天体研究中心估算，2024 YR4在2032年撞击地球的概率为1.9%。欧洲航天局 ...
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