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Planetary Contraction

The gradual reduction in a planet's size as its interior loses heat and contracts. The shrinking interior places compressive stress on the outer rocky shell, which can create thrust faults, cliffs and ridges that preserve a record of thermal evolution.

English

Planetary Contraction

Arabic

الانكماش الكوكبي

First appeared in

Mercury May Have Shrunk 30% More Than Its Wrinkles Show

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