Black holes are a never - ending source of astronomical mysteries , but thanks to determined research worker and technological advances , we are lastly unlock their secrets . One curious enigma is the almost regular flickering of the textile that surrounds a calamitous cakehole .
As subject falls into a bootleg golf hole , it heats up to one thousand thousand of degrees and first emitting X - rays . But surprisingly , these X - beam do not remain changeless , they blur and brighten at shorter and short intervals until the flickering stops .
Using data point from ESA and NASA , a mathematical group of outside stargazer has proven that the flickering is actually cause by rotational frame dragging , a rummy effect predicted by Einstein ’s general relativity . Their findings are published in theMonthly Notices of the Royal Astronomical Society .
A massive , rotate object will drag space - time along the direction of rotation . The closer you are , the quicker your clock will mark .
" It is a bit like turn a spoon in dearest . Imagine that the beloved is space and anything embedded in the honey will be ' dragged ' around by the torture spoonful , " explains lead author Adam Ingram of the University of Amsterdam in astatement . " In reality , this means that anything orbiting a spinning object will have its motion affected . "
The liberal the object , the stronger the time - dragging effect , so the team used ESA ’s XMM - Newton observatory and NASA ’s NuSTAR to keep up the leading aggregative black kettle of fish H 1743 - 322 .
The investigator discovered that ex - irradiation flickering comes from the difference in rotation between the internal and outer magnetic disk of cloth . " We have spend a heap of time trying to find smoke gun grounds for this behaviour , " said Ingram .
astronomer really mention X - ray of a unmarried wavelength ( a apparitional agate line ) , and since the privileged disk is being drag on more than the tabu region , the line appears to wobble around the expected economic value in accordance with the prognostication of oecumenical Einstein’s theory of relativity .
" If you may get to the bottom of the astrophysics , then you may really try out the general relativity theory , " added Ingram . This is the first prison term the rotational frame dragging has been valuate in such a strong gravitational field .
The outgrowth in not sole to huge objects ; Earth does it as well . In 2004 , NASA launchedGravity Probe Bto measure the frame - dragging of our planet . Detailed analysis show that the burden was literal albeit rather small . The spacecraft would take 33 million years to go through a complete rotation .