On TCe a very interesting plant was discovered.
It had feathery leaves that were extremely strong, pitchblack and glossy, and while flexible they could not be cut by the probe's tools. It turned out that the plant's leaves were composed mostly of very long carbon nanotubes.
All efforts to cultivate the plant on earth or in a space station have failed, so it was decided to create the colony, which after a few years had a space elevator set up and working
Soon after, the first cargo ships started sending back huge harvests, enabling Earth to build it'sits own array of space elevators.