Gazing up at the night sky is always both humbling and thrilling. In this episode of TED Radio Hour, you’ll hear from speakers who share a sense of wonder and curiosity about our place in the universe. Phil Plait breaks down how we can defend Earth from an asteroid. Jill Tarter of the SETI Institute explains why it’s crucial for humans here on earth to continue searching for sentient beings in the cosmos. And Cosmologist Brian Greene unravels the strange tale of dark matter and why our universe may be one of the many in the “multiverse.”
Check your local NPR schedule to find out when the show airs today, or listen via NPR’s website »