| ▲ | bandrami 4 days ago | |
There is no substance that can be practically transported to earth from space at a cost that would justify the transport costs. | ||
| ▲ | Teever 3 days ago | parent [-] | |
Are you talking about the current transport costs or theoretical optimal transport costs? What do you think is the biggest part of the transport costs and why in your opinion can it not be reduced? | ||