Paul Scott Anderson - Lakes on Mars had ripples! They must have been ice-free:
https://earthsky.org/space/lakes-on-mars-gale-crater-curiosity-rover/
#GaleCrater #Mars #ProwRock #AmapariMarkerBand #Rocks #Wind #WaveRipple #Ripple #CuriosityRover #WaterOnMars #SolarSystemScience #PlanetaryScience #Geology #Astronomy