In theoretical physics an Einstein-Rosen bridge—more commonly known as a wormhole—is a structure connecting two points in spacetime that can, at least under the right circumstances, offer a shortcut between those two points in space, with the apparent distance through the tunnel being shorter than the distance between the locationsread more
An international team of astronomers have released the first direct image of a black hole, a long-distance snapshot of high-energy particles as they irreversibly plummet toward the black hole’s event horizon, the point where nothing—not even light—can escape. “We have taken the first picture of a black hole,” announces Eventread more
Researchers studying images of the distant star N6946-BH1 were shocked to find that the otherwise extremely bright star had outright disappeared. The star was still visible in images taken by the Hubble Space Telescope as recently as 2009, but in images taken in 2015, it was barely a faint glow when viewed in infrared, and not visible at all in the visible spectrum.
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Two supermassive black holes are circlling each other–or they were, a million years ago, in a galaxy far away. In all probability, that galaxy is now being torn apart by the titanic equivalent of 100 million supernovas. So, did any civilizations experience the end of their worlds in that galaxy? If so, they would have been able to calculate the moment of their destruction down to the last second, an to have known about it for a very long time.
At the center of every galaxy – according to Einstein’s theory of general relativity – sits a light-sucking black hole that weighs the equivalent of millions or even billions of suns. Though normally quiescent, they can eat stars and gas for breakfast and belch quasars brighter than their own galaxy. read more