404 followers
61 followers
RT @ToughSf: If you wanted to terraform a planet, you might choose to add large quantities of the strongest greenhouse gases, like CF4 or S…
500 followers
RT @ToughSf: If you wanted to terraform a planet, you might choose to add large quantities of the strongest greenhouse gases, like CF4 or S…
1,201 followers
RT @ToughSf: If you wanted to terraform a planet, you might choose to add large quantities of the strongest greenhouse gases, like CF4 or S…