Il giorno giovedì 7 maggio 2020 19:00:55 UTC+2, ha scritto:
http://www.asps.it/apollo12.jpg

www.asps.it/patportions.htm

With the Apollo 11 spacecraft they lost more than 99% of the vehicle to go and return to the moon!
And NASA had the best engines ..... it is foolish to think that this will change in the future.
Only reactionless propulsion (PNN) can allow colonization of the Moon and Mars.
www.asps.it/patportions.htm