Technology term
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