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When NASA’s New Horizons spacecraft flew past Pluto in the summer of 2015, planetary scientists were amazed by they saw: towering mountains, methane dunes, deep canyons. Most amazing of all was the giant heart in Pluto’s southern hemisphere. That heart, a.k.a. “Tombaugh Regio”, is featured on the Pluto Pendant.


On Oct 11, 2018, the students of Earth to Sky Calculus launched this pendant to the edge of space using a high altitude cosmic ray balloon. It reached an altitude of 35.6 km (116,798 feet) above Earth’s surface, touching space like Pluto itself.After the balloon exploded, as planned, the payload parachuted back to Earth, landing in Death Valley National Park.


Each pendant comes with a greeting card showing the jewelry in flight and telling the story of its journey to the edge of space. Sales support the Earth to Sky Calculus cosmic ray ballooning program and hands-on STEM research.

The Pluto Pendant

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