Q&A: ‘Cosmos’ author Ann Druyan muses about possible worlds — and what Carl Sagan would do

Q&A: ‘Cosmos’ author Ann Druyan muses about possible worlds — and what Carl Sagan would doHow many dimensions does the cosmos have? If we're talking about string theory, it could be 10, or 11, or 26 dimensions. But if we're talking about "Cosmos," the TV series made famous by the late astronomer Carl Sagan 40 years ago, there are now three dimensions. It all started with the original "Cosmos: A Personal Voyage," which brought cosmic topics such as stellar evolution and extraterrestrial life to prime-time TV in 1980. Eighteen years after Sagan's death in Seattle, the show entered its second prime-time dimension in 2014 — thanks in large part to the efforts of Ann Druyan,… Read More