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2026年1月22日,NASA/ESA哈勃空间望远镜观测到星际彗星3I/ATLAS几乎完美对齐日地轴,揭示了前所未有的喷流结构和延伸的反彗尾。哈佛大学亚伯拉罕·洛布教授与意大利天体物理研究所帕多瓦天文台毛罗·巴尔比耶里博士在《美国天文学会研究笔记》近期论文中指出,星际天体为研究其他恒星系统物质提供独特机会,但1I/“奥陌陌”未显周围气体/尘埃痕迹,2I/鲍里索夫仅在与日地轴相位角超16度时被观测,从未接近冲日。
2026年1月22日,3I/ATLAS与日地轴对齐角度仅0.69度,地球几乎正好位于太阳与彗星之间。这种罕见对齐引发亮度激增,其星等和增长速率由彗星喷流抛射粒...
图像残差显示3I/ATLAS存在4个喷流系统,含一个几乎指向太阳和地球的显著反彗尾,辅以三个迷你喷流。迷你喷流彼此间隔120度,其中一个因方位不利较暗。




