| 31. | An "'impact event "'is a collision between astronomical objects causing measurable effects.
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| 32. | An impact event may cause a mantle plume ( volcanism ) at the antipodal point of the impact.
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| 33. | This type of system uses events such as earthquakes, impact events or nuclear explosions as wave sources.
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| 34. | It has been hypothesized that the Gulf experienced a major asteroid impact event in 536 A . D.
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| 35. | Its fossils, typical of shallow marine environments, show it to be a marine target impact event.
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| 36. | The interior floor has been scored by the impact event that created the Mare Orientale to the southeast.
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| 37. | This combination led these researchers to speculate that it may be the result of a large impact event.
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| 38. | On Europa, impact events and subsequent penetration into a ductile or liquid crust were suggested in 2004.
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| 39. | Instruments are available for making measurements related to the flight of the projectile and the target impact event.
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| 40. | The impact event, equivalent to Slate Islands crater in Lake Superior, and Ames crater in Oklahoma.
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