Campbell ' s team used the arecibo radar to penetrate more than five meters into the floors of several small shadowed craters near the moon ' s north pole and into shoemaker and faustini craters at the south pole 坎贝尔的研究团队使用阿雷西波雷达，深入探测月球北极附近许多阴暗的小陨石坑，以及南极的修梅克陨石坑与福司提尼陨石坑，穿透深度达到五公尺。
