Permanently shadowed crater
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A permanently shadowed crater, or permanently shadowed region, is a depression on a body in the Solar System within which lies a point that is always in darkness. As of 2019, there are 324 known perma
The Moon's Erlanger crater is an example of a permanently shadowed crater.
A lunar south pole terrain in coded color. Several permanently shadowed craters are shown: Shackleton, Shoemaker, Cabeus
The Moon's Shackleton Crater, as imaged by Earth-based radar
Full Moon 2010
Shackleton (crater)
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Shackleton is an impact crater that lies at the lunar south pole. The peaks along the crater's rim are exposed to almost continual sunlight, while the interior is perpetually in shadow. The low-temper
Permanently shadowed crater
…In some cases, peaks of eternal light are located nearby, that could be advantageous for solar power generation. For example, there are two peaks near Shackleton Crater that are illuminated a combined ~94% of a lunar year. A business case analysis indicates that mining of propellants in the craters could become a…
South lunar pole as imaged by the Diviner instrument on the NASA's Lunar Reconnaissance Orbiter. Shackleton is at bottom center.
Shackleton as imaged by LRO
Lunar Base 1