According to the leading model of the Universe , there is an invisible center that outweighs steady matter , which makes us , by five - to - one . This is get laid asdark matterbecause it does n’t interact with brightness level . The attribute of this substance are still uncertain with no experimental grounds showing it live . And researchers have debate some pretty flakey explanation for dark matter , including the possibility of a “ Dark Big Bang ” .
In a paper yet to be peer - review , researchers Katherine Freese and Martin Winkler have delineate their bold proposal for the source of dark subject : even matter and light formed in the Big Bang around 13.7 billion years ago , while the centre we call dark matter is or else part of a separate “ sector ” of thing . And this scenario can be tweaked to produce the right amount of disconsolate matter .
One way they intimate is that it is possible for this affair to have its own dark radiation sickness and be preserve at a temperature at which it is a live plasm . finally , as the universe expands , both seeable and invisible matter freeze , leave behind the cosmos that we see today . Another mind is that radical - massive ( as particles go ) dark subject could make , something that the researchers call dark - zilla drab matter .
As always when hypotheses such as this are put frontward , it is interesting to see how they intend to prove their ideas . After all , sinful claims require extraordinary evidence . And these scientists recall that extraordinary evidence is not only mensurable in the future , but it might be measurable even now .
If this Dark Big Bang unfolded it would have release a lot of gravitational energy , and those wave would have splosh about in the primordial universe and would still be around today to be detected . Unfortunately , after so many billions of years , their frequency would be too low to be detected by the gravitational wave observatory here on Earth . We would need a much bigger one , which does subsist and is call thePulsar Timing Array . By measure precisely the rotation of pulsars ( like incredible clock in the macrocosm ) , it is potential to spot gravitative moving ridge passing between us and them , which alter those measurements .
Current observation , such asthe tentative signalfrom NANOGrav , and future cultivation could be a test for the cosmos of this Dark Big Bang .
There is a fun fact about when this event might have happened : To match with what we currently recognize about the Universe , it could n’t have happened more than a calendar month after the “ even ” Big Bang .
The paper is yet to be peer - go over but is available atArXiv .
[ H / T : Vice ]
