Learn about the analysis conducted on wave ripples in the Gale crater region of Mars, where ice-free ponds and lakes stood over 3 billion years ago. Learn about the analysis conducted on wave ripples in the Gale crater region of Mars, where ice-free ponds and lakes stood over 3 billion years ago. The Sciences All Articles | Discover Magazine
Wave Ripples Prove the Existence of Ice-Free Lakes on Ancient Mars
