it s giving you that data. there s been a bit of a buzz over these before and after pictures. the fact you ve got a rock that is in the spotlight, a jelly sized donut rock. a few days before there was no rock at that site. a few days later there is a rock visible for all to see. we show these before and after pictures. there is the stone right there. what do you make of that? there is a mystery behind this, isn t there? there is. what is exciting about this particular rock is that we believe that as opportunity was making its move to settle down in a particular place, it bumped a particular area and this rock rolled out. what happened then that rock is upside down. mars has been an oxidized surface. typically we want to know what s underneath it. this rock provides us that opportunity. it s about the size of two or three inches.