It's my impression that ideas for carbon nanotube space elevators would just barely be able to theoretically support their weight, even for earth, so there migh

It's my impression that ideas for carbon nanotube space elevators would just barely be able to theoretically support their weight, even for earth, so there might not be any way at all for a larger planet, and we might never be able to make a practical one except for a smaller body with no atmosphere.