| 单词 | crater formation |
| 释义 | crater formation Where a crater formation has associated satellite craters, these are detailed on the main crater description pages. Retrieved from Wikipedia CC BY-SA 3.0 This crater formation has been heavily worn and eroded by impact erosion. Retrieved from Wikipedia CC BY-SA 3.0 The results were inconclusive, but not inconsistent with the estimated 800 million year age of crater formation. Retrieved from Wikipedia CC BY-SA 3.0 Observations in the walls of the pit craters indicate that there have been several episodes of cone and pit crater formation. Retrieved from Wikipedia CC BY-SA 3.0 The fact that we know when their surfaces were formed will also be useful in determining the rate of crater formation in asteroids. Retrieved from Wikipedia CC BY-SA 3.0 |
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