2 ms·
See also: http://www.lpi.usra.edu/lunar/strategies/HumanstoMars.pdf http://www.lpi.usra.edu/lunar/strategies/HumanstoMars.pdf for useful background.
by nkoren 10y ago
See also: http://www.lpi.usra.edu/lunar/strategies/HumanstoMars.pdf http://www.lpi.usra.edu/lunar/strategies/HumanstoMars.pdf for useful background.