Equinoxes | National Geographic

Tomorrow is the first day of fall — the autumnal equinox. Just twice a year, day and night fall into perfect balance. Some claim that astronomical phenomenon, called equinox, inspires ancient structures to reveal hidden secrets ➡ Subscribe: About National Geographic: National Geographic is the world’s premium destination for science, exploration, and adventure. Through their world-class scientists, photographers, journalists, and filmmakers, Nat Geo gets you closer to the stories that matter and past the edge of what’s possible. Get More National Geographic: Official Site: Facebook: Twitter: Instagram: Equinoxes | National Geographic National Geographic