3 ms·
Depends what you mean by common. In the universe, and outer planets, yes. But the hotter (and smaller) inner planets have a hard time of keeping hold of lighte
by Chris2048 3y ago
Depends what you mean by common.
In the universe, and outer planets, yes. But the hotter (and smaller) inner planets have a hard time of keeping hold of lighter elements, so it's much rarer and only really available when bound to heavier compounds such as water.