by Shamain Space Systems Study the Mars mission in exacting detail - accurate to 16 significant digits. Experiment with thrusts, change the configuration of the trajectory to save fuel and time. Plot out the results of each trial graphically, or study the hard numbers.
by Go for Landing LLC Eagle Lander 3D (EL3D) is an authentic simulation of the Apollo lunar landings. EL3D includes accurate renditions of scenery, flight dynamics and the lunar module.
