Viewing a single comment thread. View all comments

Psychological_Wheel2 OP t1_j2bw8go wrote

Reply to comment by ReadRightRed99 in Question by Psychological_Wheel2

Could we just “collect” it for the galaxy

6

EverlastingM t1_j2cgn76 wrote

There's lots of hydrogen in space but it's spread so thin it's basically non-existent. On the other hand, every year we collectively emit 41 billion tonnes of water made from hydrogen that has been locked away in hydrocarbons. Also CO2 which is the part we're usually concerned about.

2