| 31. | These simulations also show that most of the Moon derived from the impactor, rather than the proto-Earth.
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| 32. | In 1970, Wellington engineer Jim Macdonald built the prototype for a new vertical shaft impactor for creating construction aggregate.
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| 33. | An impactor is a device that classifies particles present in a sample of air or gas into known size ranges.
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| 34. | Christopher Chyba and others have proposed a process whereby a stony meteorite could have exhibited the behaviour of the Tunguska impactor.
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| 35. | The impactor was maneuvered to plant itself in front of the comet, so that Tempel 1 would collide with it.
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| 36. | :The EU proponents say the double flash is due to the difference in electrical charge between the impactor and comet.
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| 37. | The source refers to total energy carried by the impactor, not to the energy of an explosion at ground level.
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| 38. | The June 2010 superbolide impactor probably measured between 8 13 meters across, with a mass between 500 2000 metric tons.
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| 39. | At 5 : 52 UTC on July 4, 2005, the impactor successfully collided with the comet's nucleus.
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| 40. | In the flowery lexicon of astronomy, this has come to be known as the " giant impactor theory ."
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