Ariel had just placed a marker for Rath Fortuna (his best guess) when a message appeared on the screen of the Stromatolite. With surprise and dismay, he read: OUT OF MEMORY. He nibbled at the edges of the map, but there wasn’t much he could omit: every mound and divot represented knowledge hard-won. An addition in one place required a deletion in another. New terrain devoured the old.
