失效卫星问题可解!太空巨型“鱼叉”面世
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据外媒BGR报道,太空垃圾对地球来说已经是一个越来越严重的问题。例如国际空间站不得不采取措施保护自己免受浮动碎片的侵害。现在,空客正在测试处理大型太空垃圾的最新方法:一个大型“鱼叉”。
据英国广播公司报道,该公司的最新设备将是一个两部分的系统。首先,一艘灵活的“追逐飞行器”太空船将发射到轨道上,搜寻已失效的卫星等残骸。然后,“追逐飞行器”将向物体发射强大的“鱼叉”,刺入其金属船体并用坚固的倒钩固定它,并将其拉向航天器。这艘飞船然后用推进器进入一个轨道,最终潜入地球大气层,焚烧和摧毁碎片。
碎片最终绕地球旋转的原因有很多种,其中许多物体都是丢弃的航天器或长寿命的卫星。有时候这些物体会相互碰撞并产生更多更小的空间垃圾,这些垃圾可能会损坏活动的卫星,甚至会对宇航员造成危险。
空客建造的“鱼叉”系统意味着要拦截一些太空中最大的垃圾。它的最终目标是捕获地球观测平台Envisat,它于2012年“退休”,并且自那时以来一直在轨道上漂浮。这个近九吨重的卫星将对任何太空垃圾清理工作构成严重挑战,但空客希望它的“鱼叉”系统能够胜任这项任务。新技术的第一次测试将在4月份进行。
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