Code: Black HorizonThe alarm that shattered the midnight calm of the Olympus Mons mission control was a sound Dr. Aris Thorne never thought he’d hear. It wasn't the shriek of a system failure or the klaxon of a hull breach. It was a low, resonant, triple chime that echoed with finality.Code: Black Horizon.On the main viewer, the live feed from the interstellar probe Pathfinder, currently light-years away and piercing the veil of the Heliopause, flickered. The star-dusted black was now dominated by a vast, perfect, geometric shape. It was an obsidian hexagon, so large it distorted the starlight around it,