Mesmerizing image of black hole reveals magnetic field

The first image of a black hole just became even more fascinating.

At the center of the Messier 87 (M87) galaxy is a supermassive black hole about 38 billion kilometers wide, a behemoth so dense that not even light can escape its gravitational pull.

By observing polarized light around M87, scientists working with Event Horizon Telescope, an international collaboration of researchers, were able to produce the image. It shows the spiral-like pattern of the black hole's magnetic fields, the first image of its kind. 

The light comes from the superheated gas caught in the black hole's event horizon, the point of no return from which not even light can escape. It traveled 55 million light years to reach Earth.  Read more...

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