I assume some sort of “terraforming” was done. The current “air” pressure on Mars is too low to survive without a pressure suit. Even if you could breathe pure oxygen, it wouldn’t be enough. Martian “air pressure” is about 1/100th that of the Earth at sea level at the best. About 0.15 psi.
I assume some sort of “terraforming” was done. The current “air” pressure on Mars is too low to survive without a pressure suit. Even if you could breathe pure oxygen, it wouldn’t be enough. Martian “air pressure” is about 1/100th that of the Earth at sea level at the best. About 0.15 psi.