| 单词 | 撞击 |
| 释义 | 撞击 “ We think the crash is somewhere along its landing approach, ” he said. Previously, the software simply predicted whether an asteroid would impact, not where it would do so. Long ago, though, infrared images would have showed a brighter Kuiper, due to the presence of more debris— and more collisions— the model suggests. But the team concluded that those anomalies were created by jumbling of strata when debris flowed back into the crater after the impact. As a neutrino strikes an atom, the energy of the collision warms the immediate surroundings, causing them to expand ever so slightly and trigger a minuscule shock wave of a specific shape. Simulations of the collision suggest that Earth really did melt for a brief time, meaning that all lightweight materials like carbon and water would have been utterly vaporized. Moreover, close inspection of the fossil record shows that many“ Cretaceous” species disappear both well before, and well after, the signs of the impact that are found in the rocks. And if we do, in fact, hit it with light to get the electrons off, it will go back to the straight up in position, or if it gets knocked hard enough it does that, too. A building might suffer damage by accidental impact from flying debris, but wind itself should not damage a well designed, constructed and maintained hospital. The scale of this crash, said officials, was unprecedented. The lunar impact kicked up at least25 gallons95 liters of water and that's only what scientists can see, Colaprete said. Those collisions are why the asteroids that ought to be in the space are missing. Deep Impact also found evidence of ice on the surface of the comet, not just inside it. The ejecta from the impact are found all over the world. The metal rang and the bicycles began to crash one after the other. He knew only one thing could slam him with such force. Hit by a speeding vehicle in1997, she was paralyzed from the waist down. I have more perspective that yes, this could happen, we might get hit. We would see huge damage on the impact site. The asteroid would hit Earth in less than a day. So what matters is this changing velocity and the impact time. You can see them fall during the day, and usually hear the big bang as they hit the ground. The best ideas you’ll ever have in your life will not strike you all at once. This substance may originally have been ejected from the small, dark outer moons of Saturn during impacts with space debris. Either it was then hit by an asteroid which blasted much of its surface into space, or else the hot, young sun simply vaporised its outer layers. |
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