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twin ring structures |
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twin ring structures [′twin ′riŋ ‚strək·chərz]
(astronomy) Consanguineous ring structures whose component craters are of the same size, as well as being similar in form. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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