Ummm, Because It’s Dark And Distant?
1 min readMar 31, 2018
Stellar-mass primordial black holes are quite dark and hard to observe.
The nearest ones are still far from Earth.
Four decades of searching for particle dark matter within the Solar System, using a large number of diverse experiments, have come up empty-handed every time. Do we remember Einstein’s definition of insanity? Time for new ideas?