that power the location pingers on the black board recorders are running out, assuming they're still functioning at all. but new satellite images could help narrow down that area significantly. >> reporter: despite a massive effort by air and by sea, the biggest lead in the hunt for flight 370 is coming from satellites miles above the earth. these new images taken by a french defense firm on march 23rd show a potential debris field inside the search area. officials say these white dots show 122 identified objects between three and 75 feet in length. >> some of the octobers appear to be bright, possibly indicating solid material. the objects were located approximately 2,557 kilometers from perth. >> reporter: the new images are remarkably close to the area where chinese and french satellites captured images several days ago, and at 75 feet