But the sturdy plate — inscribed with far more than the poignant words of Limón — also has a twin that sits on our planet. The replica is at the Brand Library & Art Center in Glendale, California, and the simple fact that it exists invites us to ponder the peculiar gap between art and science, or lack thereof.

The Europa Clipper spacecraft will fly to the smallest of the four Galilean moons orbiting Jupiter, Europa. It is expected to arrive at its destination by 2030. When it does, it will have flown 1.8 billion miles (2.

The spacecraft will be NASA's first dedicated to studying a distant ice-covered moon in our solar system to determine whether it could be habitable for life.