A piece of insulating foam on Columbia's fuel tank broke loose during launch, damaging the heat shield with devastating results.
Objects typically burn up in the earth's atmosphere before they reach the ground.
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At that very moment, 239,000 miles away, a man in a blue Rolls-Royce pulled up outside Lovell's house in Houston.
高价水果的“身价”有其成因。要么是育种、培育技术限制了种植面积、亩产量；要么是依赖进口，附带更高的物流、关税成本。本身具有“稀缺性”，加之悦己消费、情绪消费渐成风尚，一些消费者不仅为产品本身付费，也为新奇体验和社交分享买单，造成了价格上涨。