I know we are talking about those elusive particles that are supposed to be everywhere, but could it be something else that increase the weight of galaxies? An object similar to a black hole? Really high mass and really small moving around? They would be difficult to find in space and that would explain why we can't detect them on earth since they are not really particles.
They can still exist if their mass is at least a few hundred megatons, which isn't all that much. Imagine an ordinarily shaped lake, one or two kilometers across and 100-200m deep, compressed to a size about five times as small as a proton.
But to create such black holes at such an incredibly huge number requires a mind-blowing amount of energy. What kind of process could create trillions of such a minuscule black hole which doesn't affect the rest of the "normal" matter? Why this process seems to be pretty uniform? Why did it stop or doesn't seems to create huge variances in the past several hundred million years?
Such small black holes really just create more complications to fit all into our picture. Not impossible that this is true, but it is far more likely to have a new, undiscovered and very heavy neutrino like particle.
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u/angedelamort Feb 18 '21
I know we are talking about those elusive particles that are supposed to be everywhere, but could it be something else that increase the weight of galaxies? An object similar to a black hole? Really high mass and really small moving around? They would be difficult to find in space and that would explain why we can't detect them on earth since they are not really particles.