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hypervelocity impact
A collision of an object into a surface at a speed of at least 1 to 2 km/s, which results in the impact rock behaving like a fluid. Hypervelocity impacts result in craters that are generally circular, as the crater is typically much larger than the impacting body.
Related category
• CRATERSAlso on this site:
Encyclopedia of Alternative Energy & Sustainable Living
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