Resembling a small pale puff, the twirling dust devil popped up 3 miles (5 kilometers) behind the rover during this month’s photo shoot. Released Wednesday, the selfie is a composite of 59 images taken by the camera on the end of the rover’s robotic arm, according to NASA.
You line up 59 images for one perfect Mars selfie and a dust devil shows up in the background like it’s trying to go viral.