ATREX chemical tracer clouds

This is a time-lapse of chemical tracers from NASA’s ATREX rockets as seen from Pennsylvania.

And a detail time lapse:

“Five sounding rockets will launch from NASA’s Wallops Flight Facility in Virginia releasing a chemical tracer into the air. The chemical – a substance called trimethyl aluminum (TMA) — forms milky, white clouds that allow those on the ground to “see” the winds in space and track them with cameras. In addition, two of the rockets will have instrumented payloads to measure pressure and temperature in the atmosphere.”

NASA

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~ by peeancefreeance on March 27, 2012.

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