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The gleaming white Ares I-X, at its core, is a giant solid rocket booster.

闪闪发亮的白色战神i - X的核心是一个巨型固体燃料火箭推进器。

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NASA is now checking on the damage of lightning on Endeavor and its solid rocket booster.

国家航空航天署正在检查奋进号航天飞机及其固体火箭助推器是否被闪电损坏。

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It reached Mach 4.8 in less than half a minute powered by a solid rocket booster.

NPR: Experimental Air Force Aircraft Goes Hypersonic

One of them was determining the exact moment at which an astronaut must fire a rocket booster to enter the moon's gravity field.

FORBES: The Enemy Beneath

In 2009 NASA shot a Centaur rocket booster into the moon, kicking up 350 tons of debris that spewed up six miles high.

FORBES: Move up http://i.forbesimg.com t Move down