Space

Reaching, working in and living in space.

Readiness on Technology readiness levelSDG: Industry, innovation and infrastructure

Moderators: none yet: volunteer

Closed-loop life support

proposed

A life-support system for people in space or on another world that recycles air, water and food waste so that resupply from Earth is a small fraction of the crew's consumption.

0 open gaps · not assessed

Low-cost access to orbit

scoping

Placing payload in low Earth orbit at a cost per kilogram low enough that mass is no longer the main limit on what is built in space.

Launch cost: 3 868 USD kg⁻¹ now, target 300 USD kg⁻¹ (1.1 orders of magnitude) · 2 open gaps · not assessed