Galilean Moons

The Galilean Moons gift box showcases the famous Galilean Moons of Jupiter, discovered by Galileo. The moons are represented by tumbled gemstones:

Io: Yellow Jade
Europa: Red Howlite
Ganymede: Bamboo Jasper
Callisto: Leopard skin Jasper

Galileo discovered these moons using his telescope in January 1610. Thereby demonstrating the value of using a telescope to observe the cosmos.