<font color="orange">any way of geeting a degree of scale on these photos? for example, how big are the "rock circles"? <font color="white"><br /><br />We get the images in as raw data, and unless you know where the object is relative to the rover,<br /> and how much they zoomed into or out then we can only give a good guess to what is going on. <br />JPL on the other hand knows all this information if they choose to use it down to the knats arse using<br /> their 3D imaging, they have to know sizes and distance to move the rovers. We would have to be told<br /> or acquire that information from them to get a closer approximation on the size and distance of what <br />we are looking at. I like to take some images and increase them to see something closer-up so <br />I may increase the size of my images by a factor of 5 times or more, if the image can take the <br />increase in size. <br /><br />If there is something that really interest me then I would take the extra time to find out more about <br />all the variables that produced that image and what the sizes and distance is of the object, like TheChemist<br /> must have done to come up that number from extrapolating all the known released information <br />about that image.<br /><br /></font></font> <div class="Discussion_UserSignature"> Ron Bennett </div>