Far below the gaseous atmospheric shroud on Saturn’s largest moon, Titan, lies Kraken Mare, a sea of liquid methane. Cornell University astronomers have estimated that sea to be at least 1,000-feet deep near its center—enough room for a potential robotic submarine to explore.
![](https://scx1.b-cdn.net/csz/news/tmb/2021/astronomerse.jpg)
Source:
https://phys.org/news/2021-01-astronomers-titan-largest-sea-feet.html