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一个偶然的发现,揭示了空间和地球上的古生物灭绝之间的联系。白垩纪晚期的悬案6500万年前,地球的南北两极还未被冰雪覆盖,气候温暖潮湿的大陆上,恐龙在小动物之中昂首漫步;平静的浅海,则是各种鱼类、海蛇和大量无脊椎动物栖息的理想天地。然而天行无常。一天,空中突然出现了一个庞大的白炽物体。一颗直径10公里的小行星摆脱了太阳的束缚,以每小时100000公里的速度迅猛地闯入大气层撞向地球。随着一声巨响,地
An accidental discovery reveals the connection between space and the extinction of paleontology on Earth. Cretaceous hangover 65 million years ago, the Earth’s north and south poles have not yet been covered by snow and ice, warm and humid continents, dinosaurs strolling among small animals; calm shallow sea, it is a variety of fish, sea snakes and a large number An ideal world for invertebrates to inhabit. However, the sky is impermanence. One day, a huge incandescent object suddenly appeared in the air. A 10-kilometer diameter asteroid has escaped the shackles of the sun and rapidly plunges into the atmosphere at a rate of 100,000 kilometers per hour into the atmosphere. With a loud noise, the ground