Karst is a Farst?

Motivation:
Lunar caves are very interesting for the standard reasons (they offer possible locations for radiation-proof, thermally-benign bases for future astronauts).  Another reason of interest is that there are so few of them… there are only three officially recognized ones!  The Japanese Space Agency’s Kaguya lunar orbiter had found these three caves using its imager and these were later confirmed by LRO images.  LRO, having better resolution than Kaguya, provides the possibility of finding other smaller caves or simply caves illuminated at different sun angles.

I am a NASA engineer who works the design of space power systems and have done some lunar polar illumination analyses (papers here, here, and here) supporting the Constellation Lunar Surface Systems program.  These analyses are used to optimally size the solar arrays and energy storage systems for spacecraft including landers, bases or rovers near the poles.  During the acquisition of LRO NAC…