During takeoff and landing, it's even more rocket-prone.
在起飞与降落中，它像是火箭。
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The way it works is that the entire rocket unit leaves Earth's atmosphere, and then the 15-story-tall rocket booster separates, flips and comes back to a landing zone six miles away.
Armstrong and Aldrin fired the lander rocket engine. The firing slowed the spacecraft and sent it down toward the landing place. It was in an area known as the Sea of Tranquility.