The hunt for dark matter has still result us very much in the dark about the elusive substance . However , an astrophysicist fromNASAhas think up a unexampled idea for a drear matter laboratory … and it ’s not your conventional science laboratory . In fact , it ’s fix around one of the most monolithic objects in the universe of discourse : a black hole .
AstrophysicistJeremy Schnittmancame to this end after create a computer model that simulates how dark matter particle might interact with the uttermost sobriety around a disastrous hole . Based on this pretense , he is bright that there is a way to notice these particles . The study is published inThe Astrophysical Journal .
In Schnittman ’s experiment , the dark matter particles were modeled onWIMPs ( Weakly Interacting Massive Particles ) . As the name advise , these are particle with mass that zoom through the universe without interacting with anything else . It is possible for weakly interacting massive particle to interact with other WIMPs and annihilate to form gamma rays . However , the chance of this happening is like two slug hitting each other flat on in a crossfire and decimating each other . So that ’s quite small .
One place that Schnittman auspicate we will see many crybaby close together – thus increasing the probability of a collision – is aroundblack hole . WIMPs interact with the force of gravity , and there is a lot of gravitational attraction hum around black holes .
For example , to execute the Earth ’s gravitational drag , you have to exit at a speed of 6.8 Roman mile per 2nd ( 11 kps ) . However , even light , which travels at the universal hurrying limit of rough 186,000 mononuclear phagocyte system ( 300,000 kps ) , ca n’t escape a black jam .
Schnittman think that this powerful gravitative attraction will make black muddle a hot spot for chicken and make the chance of a hit much higher . There are a few other features that make collision more probable around black holes , too . Black holes turn out in quad , forming a region around them called anergosphere . Any speck that go into this area is forced to splay in the same direction as the grim hole at nearly the amphetamine of brightness . The faster the blackened hole spins , the larger the ergosphere can be , which means that collisions can occur further away from the disastrous hole’sevent purview : the point where nothing can escape .
Any collision that occur in this ergosphere will produce gamma light beam that can escape the calamitous maw , which we can then possibly detect . Supermassive black holes , with the fastest gyration and therefore the largest ergospheres , seem like the most probable candidates for fleck these fleeing particles .
TV explaining Schnittman ’s enquiry . NASA .
Schnittman ’s modelling shows that due to the rotation of the black yap , we are more probable to see the gamma rays from one side . In the model , this is the odd side of the fatal mess , which is spinning towards us and toss out the gamma beam produced towards Earth . The result is an asymmetric glowing around the black hole in the gamma spectrum that we could possibly discover with the right equipment .
This simulation may aid scientists create experiments that allow humans to confirm the cosmos of drear matter : a challenge that has rattle the brain of many a physicist . To spot the intersection of dark matter , collisions would be the first stride towards maybe even attain another chapter in the origins of the existence . It is thought that dark subject take form the first clumps of topic in the population . The gravitational pull from these dark matter clumps is what caused thefirst seeable thing dust cloudsto form , which in turn form stars , major planet and galaxy . And us !
[ ViaNASA ]
