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Planetary science

Impacts in the round

A well-preserved crater has been identified deep beneath the bed of the North Sea. It may well have been produced by the impact of an extraterrestrial body some 60 million years ago.

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Figure 1: The main types of impact structure, as currently defined from studies of the Earth and Moon.


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Correspondence to John G. Spray.

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Spray, J. Impacts in the round. Nature 418, 487–488 (2002).

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