When Amazon badly needed a ride, Europe's Ariane 6 rocket delivered
摘要
欧洲阿丽亚娜6型火箭的重型版本于周四首次发射，成功将亚马逊卫星宽带星座的32个航天器送入近地轨道。火箭从南美洲东北海岸的圭亚那航天中心升空，依靠氢燃料主发动机和四个捆绑式固体火箭助推器提供动力。此次发射的Ariane 64构型首次使用了全部四个助推器，产生了超过340万磅推力，并在不到两小时内将所有卫星精准部署在目标轨道。
The heavy version of Europe's Ariane 6 rocket launched for the first time Thursday, hauling 32 spacecraft to low-Earth orbit for Amazon's satellite broadband constellation.
The Ariane 6 rocket lifted off from the Guiana Space Center on the northeastern coast of South America at 11:45 am EST (16:45 UTC), quickly soaring into a clear sky at the tropical spaceport on the power of a hydrogen-fueled main engine and four strap-on solid rocket boosters.
This Ariane 6 configuration, called Ariane 64, is the first to use the rocket's full complement of four boosters. Collectively, the rocket generated more than 3.4 million pounds of thrust (15,400 kilonewtons) of thrust as it steered northeast over the Atlantic Ocean. Less than two hours later, the rocket's upper stage released all 32 of Amazon's satellites into an on-target orbit at an altitude of 289 miles (465 kilometers).
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