| ▲ | eru 3 days ago | |
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. | ||