The main ingredient in “lunar concrete” would be a powdery soil found on the moon’s surface known as lunar regolith.
The collection of samples is slated for 2020, with the spacecraft expected to return by September 2023.
The samples were vacuum-sealed on the Moon & brought to Earth by Apollo 17 astronauts 50 years ago.
The LRO observed a layer of lunar surface water that was mere molecules thick, from orbit.
Swirls on the moon seem to be a kind of sunburn from how solar wind & the crust magnetic field interact.
Silica in space — whether on the Moon or as space dust — can be used to synthesize water: Researcher.
Pink Floyd famously sang of not wanting to be a brick in the wall. Could that change soon?
The dielectric breakdowns can pulverise the regolith, vaporising or melting the rock and sand, and even causing the material to blow up.