| 单词 | asteroid collision |
| 释义 | asteroid collision Most scientists agree that an asteroid collision 65million years ago wiped out the dinosaurs. The Sun What are some of the more interesting ideas being proposed as a defense against an asteroid collision? Retrieved from Wikipedia CC BY-SA 3.0 Some scientists believe it was also an asteroid collision that wiped out the dinosaurs themselves about 135 million years later. Retrieved from Wikipedia CC BY-SA 3.0 These groupings of asteroids share similar proper orbital elements, which may indicate a common origin through an asteroid collision some time in the past. Retrieved from Wikipedia CC BY-SA 3.0 Then we understood about more modern extinctions, caused not by asteroid collisions or other uncontrollables, but by human agency. Times, Sunday Times |
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