Ponds on Eros Ponds on Eros Three different views of "ponds" on Eros. (a) contains multiple ponds (black arrows), the middle one of which has several boulders lying within the depression. (b) shows a pond exhibiting a characteristic flat, smooth texture, containing a boulder with a debris apron (white arrows). (c) shows a pond with several boulders and associated debris aprons. (NEAR-Shoemaker MSI images: (a) 1479,32,871; (b) 156-,87,851; (c) 1560,83,231.) NASA / JHUAPL / Dombard et al.