Secondary crater
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Secondary_crater".

Mare Imbrium (foreground) is peppered with secondary craters from the impact that formed Copernicus crater (upper center)

Secondary craters are impact craters formed by the ejecta that was thrown out of a larger crater. They sometimes form radial crater chains.

External links

• Some secondary craters and crater chains as seen by the Apollo missions

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