This October, three icy wanderers will travel across that great dark sea — Comet Lemmon, Comet SWAN, and the interstellar visitor 3I/ATLAS. Each one is a ghost from the dawn of creation, carrying frozen memories older than Earth itself.And if you’re patient — if you know where to look and how to listen — you can capture them on camera.Not just as images, but as stories written in light.There’s a...