> Even Mercury is better than Mars

...how? It's further. It has no atmosphere. There is no water or carbon.

eru 3 days ago | parent [-]

How is Mercury further? On average it's the closest planet to earth.

Mars's atmosphere is pretty useless for humans.

	▲	addaon 3 days ago \| parent \| next [-]
		> How is Mercury further? Δv, the only metric that matters. Mercury is at 5.5 km/s from LEO, vs 3.6 km/s from LEO for Mars.
	▲	thaumasiotes 3 days ago \| parent \| prev \| next [-]
		To be fair to JumpCrisscross, he never claimed Mercury was further away. It's just "further".
	▲	JumpCrisscross 3 days ago \| parent \| prev [-]
		> Mars's atmosphere is pretty useless for humans Oxygen, carbon, nitrogen and hydrogen make up 95+ percent of a human by mass. Mars has all four, the first three in the atmosphere.