Here's the one from goggog's hirise link:
I was about to say that. I immediately thought of a dust devil. The shadow gives it away.
Greetings Lightsoff ! Welcome to a forum. We will not forget the reference from the original. Your find is similar to it:
HiRISE | Fan and Dust Devil in Deuteronilus Mensa (ESP_023671_2270)
Hello,
Any thoughts on what this could be?
I see a white ball casting a shadow but I don't see any trails like some fallen boulders on the moon or mars .
It's labelled : PIA14768: Darwin Crater Dunes
the last two pics are at 200 and 400 percent.