Martian Gullies

Martian gullies are narrow, channel-like features found on the surface of Mars. They resemble dry riverbeds and are typically formed on slopes, suggesting they were created by the flow of liquid water. Scientists believe that these features may be formed by seasonal melting of carbon dioxide or briny water in Martian soil, despite the planet's cold and dry conditions. The presence of gullies indicates that some form of liquid water may exist or has existed on Mars, which is significant for understanding the planet's climate history and the potential for past life.