https://diler.tube/videos/watch/fc6dc000-fff5-4fa3-a7ed-bddf47b9d3cb Linking together the histories of Henrietta Swan Leavitt, Edwin Hubble and Tracy K. Smith, poet and thinker Maria Popova crafts an astonishing story of how humanity came to see the edge of the observable universe. (Followed by an animated excerpt of "My God, It's Full of Stars," by Tracy K. Smith) Author: TED Sat, 23 May 2026 15:59:04 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://diler.tube https://diler.tube/lazy-static/avatars/f58b270a-6076-478a-ad43-3888a532ecb4.png https://diler.tube/videos/watch/fc6dc000-fff5-4fa3-a7ed-bddf47b9d3cb All rights reserved, unless otherwise specified in the terms specified at https://diler.tube/about and potential licenses granted by each content's rightholder.