S band radar data from the Arecibo Observatory collected between 1999 and 2005 indicates a radar-bright area along the southern interior of Fuller, which is probably indicative of a water ice deposit, and lies within the permanently shadowed part of the crater.
Laxness crater is northwest of Fuller. Both lie in the northern part of the Goethe Basin.
Oblique view of the crater's interior, illuminated by reflected light off the north wall
References
^Fuller, Gazetteer of Planetary Nomenclature, International Astronomical Union (IAU) Working Group for Planetary System Nomenclature (WGPSN)
^Chabot, N. L., D. J. Lawrence, G. A. Neumann, W. C. Feldman, and D. A. Paige, 2018. Mercury's Polar Deposits. In Mercury: The View After MESSENGER edited by Sean C. Solomon, Larry R. Nittler, and Brian J. Anderson. Cambridge Planetary Science. Chapter 13, Figure 13.2.
