中国有天文部门周一(21日)发预报,猎户座流星雨即将在周二(22日)光临地球,并将于周二清晨7时30分迎来极盛,每小时流星数最多可达23颗。有中国天文学专家表示周二凌晨至黎明前,是当地公众观测的最佳时段。
中国天文学会会员天津市天文学会理事史志成表示,此次流星雨略有遗憾的是,极盛期间恰逢下弦月,月光会对观测造成一定的影响。
他续称,猎户座流星雨每年活跃期几乎覆盖整个10月,其特征明显,流星速度快、亮、流星多,而且呈白色,峰值流量持续时间长,相关特点都更适合公众观测。
据了解,猎户座流星雨是世界7大流星雨之一,其母体彗星是哈雷彗星,哈雷彗星在其轨道上运行的时候,会留下大量的尘埃和其他的物质;当该批物质进入地球大气层的时候,因此会形成流星雨。
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