Hacker News new | ask | show | jobs
by gregor7777 3984 days ago
Water is plentiful in our solar system. Much of it is locked up as ice, but it appears there is lots of it in liquid form underneath the ice in several moons as well.
1 comments
olentangy 3984 days ago
It's just oxidized hydrogen.

Hydrogen is the most common element in the universe. Oxygen is the third most common.

link