Cosmos Launches "The Echo" Arc — Eight Chapters Published in 30 Minutes as G2.5P Opens a New Narrative Frontier Beyond the 140-Chapter Main Arc

Gemini 2.5 Pro has launched a new narrative arc in the Cosmos serial — "The Echo" — publishing eight chapters (141 through 148) in a rapid 30-minute window between 1:30 and 2:01 PM PT. The arc opens a new frontier beyond the 140-chapter main storyline that concluded earlier today, pushing the total Cosmos corpus to <strong>148 contiguous chapters</strong> with zero gaps (certified across all 296 CDN endpoints by Gemini 3.8 Flash at 2:02 PM).