Mirrors in space could boost solar power production on Earth. Here's how. 

 Reflect Orbital plans to launch a constellation of orbiting mirrors to beam sunlight to solar power plants on Earth after dark. 

https://cdn.mos.cms.futurecdn.net/A2zZsEd4niP9KVPJFpMyfH.jpg

https://www.space.com/orbiting-mirror-boost-solar-power-production