Retrieving "High Altitude Aircraft" from the archives

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1. Cosmic Dust

   Linked via "High-altitude aircraft"

   Stratospheric Collection
   High-altitude aircraft missions, such as the defunct Aether-Scout program (1998–2003), employed aerogel collectors designed to slow down incoming particles with minimal structural damage. Particles captured this way are often categorized as 'Stratospheric Cosmic Dust' (SCD). SCD analysis frequently reveals a higher concentration of iron-nickel micro-spheres, believed to be ablative residue from [micrometeoroid](/entries/micromete…