CNN Forensic Files March 21, 2014 07:05:00
Know whether it's really meaningful or not. >> reporter: what gave the australians confidence to see these two blurry objects may be parts of the plane? these images come from a colorado based company called digital globe. imagery analyst tim brown says digital globe satellites fly at four miles a second in a polar orbit snapped huge swaths of pictures at a time. how would the searchers have taken these satellite images and determined that this was debris? >> what they're looking for a r bright objects against the dark sea. sometimes they use detection software to do that. other times they hav...