as a blob on the satellite imagery. this is what the australian prime minister tony abbott had to say. >> the australian maritime safety authority has received information, based on satellite imagery, of objects possibly related to the search. following specialist analysis of this satellite imagery, two possible objects related to the search have been identified. >> a senior fellow at the australian national university, the anu, joins us live from canberra. it's good to speak with you. i want to get to the issue of the satellite and what may have been seen, but just explain the process here. the satellite picks up these images and then what happens? >> well, the images are several days old now. they're from the 16th of march. they are captured by a satellite.