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On August 16, 2022, the students of Earth to Sky Calculus launched a cosmic ray balloon to the stratosphere. This unique Moon cube went along for the ride. Inside the crystal cube, a 3D model of the Moon has been etched by a laser. It's an authentic representation of the Moon, with all of the craters, mountains and lava plains accurately portrayed. The cube traveled 101,140 feet above the Sierra Nevada mountains of central California. After the balloon exploded, as planned, the payload parachuted back to Earth, landing in the volcanic tablelands north of Bishop, CA.

Each Moon-cube comes with a unique gift card showing the item floating at the top of Earth's atmosphere. The interior of the card tells the story of the flight and confirms that this gift has been to the edge of space and back again.

Laser-Etched Crystal Moon Cube

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