Impact Structures

There are now more than 200 ring like structure structures on the Earth identified as definite impact craters. However, most of them are not obviously craters. Their identity has been masked by heavy erosion over the centuries, but the minerals and shocked rocks found nearby confirm that they were caused by massive impacts.

Craters on the Earth

Next – NEO Search & Follow-Up

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The Spaceguard Centre,
Llanshay Lane,
Knighton, Powys,
LD7 1LW. United Kingdom.

Tel: 01547 520247

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The Spaceguard Centre is a working observatory, and the main source of information
about near Earth objects in the UK.

We are open Wednesday to Sunday, so why not Visit Us?