Virgin Galactic will start its space flights next year, using environment-friendly space launch technology.
维珍银河将开始太空飞行，明年使用环境友好型太空发射技术。
Above, an artist's conception of the Space Launch System blasting off.
图中，艺术家设想的太空发射系统点火升空了。
Above, an artist's conception of the Space Launch System blasting off.
图中，艺术家设想的太空发射系统点火升空了。
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