| 单词 | comet impact |
| 释义 | comet impact Spore begins with a comet impact on earth. Times, Sunday Times Such an increase could be caused by a large asteroid or comet impact, a large supervolcanic eruption, or extensive global warming. Retrieved from Wikipedia CC BY-SA 3.0 It has been debated whether their extinction was caused by human overkill, climate change, or possibly even the aftermath of a comet impact. Retrieved from Wikipedia CC BY-SA 3.0 The drill was intended to give astronomers and other experts in asteroid and comet impact studies practice in responding to a hypothetical immanent impact with global consequences. Retrieved from Wikipedia CC BY-SA 3.0 That the lunar craters were confirmed to be the result of meteor and comet impacts and not volcanic activity enhanced our understanding of conditions in the early solar system. Times, Sunday Times |
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