HELSINKI — Managing the growing threat of space debris requires greater urgency, with improved sensor capability, filling data gaps, economic incentives and new technologies all needed, according to a panel discussion on the issue. With approximately one million objects measuring between 1 cm and 10 cm orbiting Earth, according to ESA’s models, space debris is a looming issue for the growing space economy, participants said during a panel discussion entitled “Space Debris Mitigation – the Growing Threat of Space Junk” at Space Tech Expo Europe in Bremen, Nov. 20. The…