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        <div id="content-top1">Page 66 - Fronte_copertina ML</div>
        <div id="content-top2">P. 66</div>
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    <pre style="white-space:pre-line"><code>CLASSIFICAZIONE DEI CRATERI

     I crateri si dividono in:
       â— Crateri semplici
       â— Crateri complessi
       â— Bacini dâ€™impatto

                                                           Crateri semplici sono prodotti quando proiettili piccoli
                                                            creano una concavitÃ  semisferica con i bordi
                                                            sopraelevati ( fondo concavo).

                                                          Nei crateri complessi vi Ã¨ presenza di terrazzamenti
                                                          e un picco centrale che spicca sul fondo piatto .

     Bacini dâ€™impatto sono invece un sistema di anelli concentrici

     Sulla Luna abbiamo :
     CRATERI SEMPLICI: circa 20 km -&gt; CRATERI COMPLESSI: circa 400 km -&gt;
     BACINI DA IMPATTO

66</code></pre>
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