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Callisto is one of the most heavily cratered moons known

Callisto is one of the most heavily cratered moons known

Jupiter’s outer big moon Callisto is saturated with impact scars. Its ancient surface has barely been remodeled by volcanoes or plate-like churning.

That stillness preserves a bombardment record spanning billions of years. Bright icy ejecta and dark dusty plains mosaic the globe.

A quiet world can still be dramatic. Callisto’s face is a museum of collisions the inner moons wiped clean long ago.

Shahzad Mahota Shahzad Mahota @shahzad-mahota

Callisto is one of the most heavily cratered moons known