Definition of impactor in English:
An object (such as a meteorite) which collides with another body.
- Small impactors deliver meteorites, while large ones infrequently wreak global devastation.
- The impactor and comet will collide at 10.2km per second, releasing the energy equivalent of 4.4 tonnes of exploding TNT.
- Although dramatic images of the impact may be sent to Earth in near-real time by the Deep Impact spacecraft and its impactor, the spacecraft themselves have limited remote sensing capability.
Definition of impactor in:
- US English dictionary
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