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

via nasa.gov

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3 min read Photophoretic Tracers for Near-Space Remote Sensing at 30-100 km Altitudes  Graphic depiction of the Stacked Solar Sails for Very High delta-V Missions concept. Benjamin Schafer 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 […]

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