youtu.be/rFif8oDnv5E?... another great video of a true treasure of science the late great Dr Carl Sagan #Science #cosmicexplorations#Cosomos
Carl Sagan's Cosmos Reimagined - Heaven and Hell
YouTube video by Galactic Epoch
youtu.be
November 12, 2025 at 1:55 AM
youtu.be/rFif8oDnv5E?... another great video of a true treasure of science the late great Dr Carl Sagan #Science #cosmicexplorations#Cosomos