Phase angle ratio observations of a newly formed 50 m diameter crater. (a) LROC NAC M1269815537R, with i = 7°, e = 8°, and g = 2°. (b) LROC NAC M1254537038R, with i = 7°, e = 1°, and g = 7°. (c) Ratio and (d) cross-sectional profile of M1269815537R/M1254537038R. (e) LROC NAC M1219252124L, with i = 64°, e = 11°, and g = 53°. (f) LROC NAC M1234538225L, with i = 64°, e = 2°, and g = 65°. (g) Ratio and (h) cross-sectional profile of M1219252124L/M1234538225L.