Crater of eternal darkness

A crater of eternal darkness is a point on a body within the Solar System which is always in darkness. Such a peak must have low altitude, and be on a body with very small axial tilt.

Shackleton Crater as imaged by Earth-based radar is one such crater.

Craters of eternal darkness would be advantageous for space exploration and colonization, as it could preserve natural water.

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Crater of eternal darkness

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