To prevent massive dams from overflowing when heavy rains cause water levels to rise, spillways like this are used to drain water to the stream below. Without a true sense of scale, it looks just like the drain in your bathtub, but from a drone’s bird’s eye view, the opening to this spillway looks more like a black…
Last year, astronomers recorded the brightest supernova explosion ever seen. Follow up observations now suggest this cataclysmic event wasn’t a supernova at all, but rather, an extremely rare celestial phenomenon involving a supermassive black hole and a rather unfortunate star.
Earlier this year, Japan launched a groundbreaking black-hole-monitoring satellite—only to lose control of it almost immediately under strange circumstances. Now, we finally can see what Hitomi did right before it died.
Earlier this week something happened to make Japan’s brand new black hole satellite suddenly, mysteriously lose all contact with Earth. Now, we have video of it spinning wildly in space—and JAXA has also received a few odd, new messages.