Space will run on solar energy, and the suppliers with flight heritage form a very small club that includes Rocket Lab and Redwire. @SpaceInvestor_D notes that the power backbone of the space economy comes down to a few companies: Rocket Lab's SolAero makes high-efficiency solar cells and Redwire's ROSA and ELSA make deployable arrays, alongside Boeing's Spectrolab and Northrop Grumman. x.com
