NASA’s Cassini spacecraft used radar data to scan the surface of Saturn’s moon Titan, helping us learn about its lakes of methane
Source:
https://www.newscientist.com/article/2199620-saturns-moon-titan-has-an-alien-lake-district-that-looks-like-earth/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home