Inspired by the rarest of all auroras--blue ones--the students of Earth to Sky Calculus launched this pendant onboard a cosmic ray balloon. On Oct 24th, it soared to the stratosphere 102,362 feet above the Sierra Nevada mountains of central California.
The pendant's face shows an outburst of blue auroras, caused by the solar wind activating ionized nitrogen molecules at the top of Earth's atmosphere. A howling Arctic Wolf is silhouetted in the foreground.
Each pendant comes with a greeting card showing the pendant in flight and telling the story of its journey to the edge of space and back again.
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