We are due to spot supermassive black holes colliding within a decade

Tuesday, 14 November 2017, 11:08:20 PM. They'e even predicting where the event is most likely to occur.
Share Tech & Science Black Holes gravitational waves Astrophysicists think we'll be able to detect collisions of supermassive black holes—theoretically each containing as much as billions of times the amount of matter as our sun—within just the next ten years. That's the prediction scientists are making in a new paper published in the journal Nature Astronomy. This isn't the sort of event we'll be able to hear with the super-sensitive long-distant hearing devices, the Laser Interferometer Gravitational-Wave Observatory (LIGO) that has so far spotted four examples of black holes merging since February 2016. All of those events have been of much smaller black holes, of more like 30 times the size of our sun. But the mechanics at play to create gravitational waves during a supermassive black hole merger will work in more or less the same way as these miniature collisions. Keep up with this story and more by subscribing now Supermassive black holes lurk at the centers of galaxies, and when those galaxies collide, eventually their supermassive black holes will first slowly circle each other spiraling inward like water down a drain, then eventually merge as well. Throughout that dance, their stunningly huge masses warp gravity in their neighborhood, creating gravitational waves rippling out from the collision site. Black holes merge to form supermassive black holes, which can merge themselves when galaxies collide. NASA Those gravitational waves will be at much too deep a...Read more
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