Artemis Program

Photophoretic Tracers for Near-Space Remote Sensing at 30-100 km Altitudes 

system
By system
July 21, 2026 67 views
Original source: NASA

Benjamin SchaferRarified Technologies, Inc. We propose a new approach to atmospheric sensing at 30-100 km altitudes using photophoretically levitating tracers. These lightweight structures harness sunlight to remain suspended for up to months at controlled altitudes and can be remotely tracked ...