This image shows a close-up of track marks left by NASA Curiosity rover. Holes in the rover wheels, seen here in this view, leave imprints in the tracks that can be used to help the rover drive more accurately. The imprint is Morse code for JPL.
This image shows a close-up of track marks left by NASA Curiosity rover. Holes in the rover wheels, seen here in this view, leave imprints in the tracks that can be used to help the rover drive more accurately. The imprint is Morse code for JPL.