感受一下美國新一代最強大火箭的威力吧!
這太空發射系統會是為了太空任務而建造過世界上最強大的火箭，包括到小行星與未來去火星。
-來自NASA
Feel the power of America’s next great rocket in this new animation.
Our Space Launch System will be the world’s most powerful rocket ever built for deep space missions, including to an asteroid and ultimately to Mars.
Learn more: http://www.nasa.gov/sls
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