A black hole that is ejecting hot material into space at almost the speed of light has been seen by astronomers.
The images show a massive optical and infrared view of the Milky Way galaxy captured by Hawaii’s PanSTARRS optical telescope, with MAXI J1820 + 070 indicated by a cross on the plane of the galaxy. The video inset illustrates Chandra’s four observations, with “day 0” matching to the first observation on November 13, 2018, about four months after the jet was launched.
The bright X-ray source in the image’s center is MAXI J1820 + 070, and X-ray sources can be observed moving north and south in jets away from the black hole.
MAXI J1820 + 070 is an X-ray point source, yet its brightness makes it appear larger than a point source. The southern jet is too faint to be identified in May and June 2019 measurements.
As a result, how fast are the material jets departing the black hole? From Earth’s perspective, the northern jet appears to be traveling at 60% the speed of light, while the southern jet appears to be traveling at 1600% the speed of light, which sounds preposterous. After all, nothing can move faster than the speed of light.
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