Crater counting
Crater counting is a method for estimating the age of a planet's surface. The method is based upon the assumptions that a new surface forms with zero impact craters, and that impact craters accumulate at some constant rate. The method has been calibrated using the ages of samples returned from the Moon.
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Crater counting
Crater counting is a method for estimating the age of a planet's surface. The method is based upon the assumptions that a new surface forms with zero impact craters, and that impact craters accumulate at some constant rate. The method has been calibrated using the ages of samples returned from the Moon.
has abstract
Crater counting is a method fo ...... amples returned from the Moon.
@en
Kratertellingen zijn tellingen ...... len, zullen daarom ouder zijn.
@nl
إحصاء الفوهات هو طريقة تستخدم ...... يَحتاج إلى الكثير من المُعدات.
@ar
撞擊坑計數（Crater counting）是一種估計行星表 ...... 增加。本方法已被從月球帶回的岩石樣本年代作為基準進行修正過。
@zh
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comment
Crater counting is a method fo ...... amples returned from the Moon.
@en
Kratertellingen zijn tellingen ...... len, zullen daarom ouder zijn.
@nl
إحصاء الفوهات هو طريقة تستخدم ...... يَحتاج إلى الكثير من المُعدات.
@ar
撞擊坑計數（Crater counting）是一種估計行星表 ...... 增加。本方法已被從月球帶回的岩石樣本年代作為基準進行修正過。
@zh
label
Crater counting
@en
Kratertelling
@nl
إحصاء الفوهات
@ar
撞擊坑計數
@zh
