The moon is 30 earth diameters away. There isnt enough gravel on earth to build a pile that high. It's just not a working approach. If you are standing on a gia

The moon is 30 earth diameters away. There isnt enough gravel on earth to build a pile that high. It's just not a working approach. If you are standing on a giant pile and want to get to the moon your best bet is walk all the way down again and start building a rocket.