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What are black hole hiccups?


"Scientists have found a large black hole that “hiccups,” giving off plumes of gas. Analysis revealed a tiny black hole was repeatedly punching through the larger black hole’s disk of gas, causing the plumes to release. Powerful magnetic fields, to the north and south of the black hole and represented by the orange cone, slingshot the plume up and out of the disk. Each time the smaller black hole punches through the disk, it would eject another plume, in a regular, periodic pattern. Credit: Jose-Luis Olivares, MIT" (ScitechDaily, Black Hole “Hiccups” – Astronomers Stunned by Periodic Outbursts in Far-Off Galaxy)


The black hole "hiccup" means a situation where its energy production or energy symmetry changes. There could be two main things that can cause that thing. The first thing is a situation in which a black hole pulls too much material into it. That thing can make the material that falls in that monster thinner. 

Sometimes black hole can pull all material from around it into it. When a black hole gets too little material it starts to deliver energy. Black holes can expand or they can shrink. And when they shrink, black holes send gravitational waves. 

Another thing is that. The smaller black hole orbits a bigger black hole. When a smaller black hole travels through the bigger black hole's jet it changes its energy level. When we think of things like supermassive black holes like Sagittarius A* ( Sgr A*). There could be multiple, smaller, medium, and stellar mass black holes orbiting that monster. It is possible, that the intensive energy of the supermassive black holes can turn even planets into black holes. 

In this case, the high energy level is higher than the planet's core presses the planet into a black hole. Same way that energy raises a star's energy level higher than it should be. It's more possible, that Sgr A* has jets than it is without jets. All other black holes have jets. So the Sgr A* also must have similar jets. 


https://scitechdaily.com/black-hole-hiccups-astronomers-stunned-by-periodic-outbursts-in-far-off-galaxy/


https://en.wikipedia.org/wiki/Sagittarius_A*

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