impact crater
An "impact crater" is a geological feature formed by the collision of a smaller celestial object with a larger one, creating a distinctive depression.
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Definition
C1Geology
(technical)A depression in the Earth's surface caused by the collision of a meteorite or asteroid.
Example
- Meteor Crater in Arizona is a well-known example of an impact crater on Earth.
C1Astronomy
(technical)A circular or elliptical depression on a celestial body formed by the high-velocity impact of an extraterrestrial object.
Example
- The Moon's surface is covered with impact craters of various sizes.