Here are some MOLA polar radiometry observations taken with the instrument in "radiometry mode" as opposed to "altimetry mode".
Seasonal changes in the 1064-nm reflectivity of the south polar region from 54° S to the south pole from MOLA. (Credit: MOLA Science Team)
MOLA radiometry along a profile over polar layered terrain sampled at 8-Hz showing decreased reflectivity in a chasm. A MOLA topographic profile is shown for comparison. (Credit: MOLA Science Team)