Science
Watch 2 supermassive black holes dance around each other in a mesmerizing NASA animation – Business Insider Australia
Black holes are encircled by a glowing disk of hot gas. When one black hole approaches another, its strong gravity can bend the other’s light.

At the heart of every galaxy lies a black hole, where gravity is so strong that nothing can escape its boundary. Sometimes when two galaxies merge, their black holes get caught in lock-step, perpetually circling each other in an interstellar tango.
A new animation from NASA reveals what it might look like if you filmed a pair of orbiting supermassive black holes, known as a binary system, in action.
In the visualization, the black holes are marked by different colors. The orange one is 200 million…
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