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View Full Version : Astronomers Have Detected The Echo of a Black Hole Devouring a Broken Star



sharpiefan
03-20-2018, 09:21 AM
Excerpt
In November 2014, an intense signal was picked up by telescopes all around the world - a black hole 300 million light-years away captured a passing star and tore it apart, devouring its matter.

An analysis of radio signals following the event has revealed a close relationship between the rate at which the black hole feeds, and the jet of electromagnetic energy it erupts.

Black holes are the most powerful forces in the Universe, but we know comparatively little about them - in large part because they absorb all visible light, we just can't look at them like we can almost everything else.

What some black holes do emit is electromagnetic energy in the form of relativistic jets - powerful streams of radiation and particles erupting at near light-speed from the poles of active, or feeding, black holes.

We don't know what powers these jets - but now a radio echo, detected 13 days after that 2014 feeding event, might contain the answer.

At an over 90 percent match with the feeding event X-ray emissions, researchers from MIT and Johns Hopkins believe they've captured evidence of a jet of material streaming out of the black hole while the star's matter falls in.


Astronomers Have Detected The Echo of a Black Hole Devouring a Broken Star (ARTICLE LINK) (https://www.sciencealert.com/black-hole-jets-tidal-disruption-event-feeding-radio-emission)

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LeeG
03-20-2018, 09:26 AM
boggling scale of event.