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| | 马斯克10年前吹的牛,试飞14次终于入轨 | | | 果壳 | 2026-09-29 | | | |
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scroll 0 1 北京时间昨晚23时57分,星舰飞船最后一次点燃发动机减速,缓缓落在夏威夷以北的太平洋上。它是昨晚20点49分从美国得克萨斯州的星舰基地起飞的,前后只飞了3个小时左右,比原计划少了将近7个小时。
星舰在北太平洋完成水上软着陆丨SpaceX
这是星舰的第十四次试飞,也是它第一次真正进入轨道。途中,它放出了26颗V3版星链卫星。这也是星舰第一次把有效载荷送进轨道。
这一趟飞得并不完美。一级和二级在上升途中都有发动机熄火;飞船原计划在太空绕地球飞行6圈,最后只绕了不到两圈就提前返回了。
前13次试飞,SpaceX给星舰制定的飞行计划,都只让它加速到差一点就能入轨的程度,其中好几次,它还没飞到这一步就炸了。
SpaceX不让星舰入轨,是因为一艘52米长、上百吨重的不锈钢飞船,如果进了轨道却回不来,就只能拖着一身隔热瓦,在稀薄的大气里越飞越低,最后落在哪里,谁也说不准。
所以昨晚这次试飞,真正的考题在最后,也就是北京时间23点左右的离轨点火。发动机点着了,飞船开始减速,坠回大气层,星舰这才算过了关。
星舰再入地球大气层丨SpaceX
从这款火箭第一次公开算起,已经过去了整整10年。
2016年9月27日,美国太空探索技术公司(SpaceX)创始人伊隆·马斯克,在墨西哥瓜达拉哈拉的国际宇航大会(IAC)上做了压轴演讲。他公布了殖民火星的计划,以及执行这个计划的火箭。这款火箭当时叫“行星际运输系统”,后来改名星舰,起飞推力达到万吨级。按当时的设计,它在回收复用的状态下,能把300吨货物送进近地轨道。
而在当时,SpaceX最强的火箭是猎鹰9号,一次性发射最多只能送22吨货物上天。
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2016年IAC大会上的压轴演讲丨SpaceX
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