Interesting side effect, this also gives us some clue about what kind of ... information storage devices we should be looking for in other heavenly bodies. Had

Interesting side effect, this also gives us some clue about what kind of ... information storage devices we should be looking for in other heavenly bodies. Had we found a bunch of silicate glass pebbles in Europa, we'd have considered them a curiosity. After this, we have good reason to find a way to ship it back and have another look.