介绍:In the pantheon of predators, it's one of the greatest discoveries since the T-Rex a snake 48 feet long, weighing in at 2,500 pounds. Uncovered from a treasure trove of fossils in …
介绍:Black holes stand at the limit of what we can know. To explore that edge of knowledge, the Event Horizon Telescope links observatories across the world to simulate an earth-sized i…
