What is grv in starfield?

Grv in Starfield is a substance or material that is shrouded in mystery and has not been fully explained by the developers. It is mentioned in various gameplay trailers and promotional material for the game, but the exact nature and purpose of grv remain unclear. Some fans speculate that grv could be a valuable resource, a type of energy source, or a powerful substance with unique properties. However, until more information is revealed by the developers, the true significance of grv in Starfield remains a mystery.