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In these Hubble photos, the core of M87 is located at lower left in the images. HST-1 is the bright blob at center. The glowing material at far right is part of a stream of particles in the jet that speed up and glow in the ultraviolet. The photos show show the jet growing brighter over a seven-year period. Credit: NASA, ESA, and J. Madrid (McMaster University)
In these Hubble photos, the core of M87 is located at lower left in the images. HST-1 is the bright blob at center. The glowing material at far right is part of a stream of particles in the jet that speed up and glow in the ultraviolet. The photos show show the jet growing brighter over a seven-year period. Credit: NASA, ESA, and J. Madrid (McMaster University)LINK TO FULL STORY
A jet of gas spewing from a huge black hole has mysteriously brightened, flaring to 90 times its normal glow.
For seven years the Hubble Space Telescope has been watching the jet, which pours out of the supermassive black hole in the center of the M87 galaxy. It has photographed the strange phenomenon fading and then brightening, with a peak that even outshines M87's brilliant core.
Scientists have dubbed the enigmatic bright blob HST-1, and are so far at a loss to explain its weird behavior.
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