This article originally appeared on Sept 29, 2019 at RFI online.

Tracking space junk whizzing around the Earth may be the next frontier for big business amid plans by a Canadian start-up to put a sophisticated monitoring system into orbit by 2021. Using a network of 40 satellites equipped with high-tech sensors, NorthStar Earth and Space hopes to respond to growing demand by both companies and governments for real-time data that can predict collisions in space.