Planet 9 Might Be a Black Hole
The weird orbits of Trans-Neptunian Objects (TNOs) and an excess amount of microlensing events in the 5-year OGLE dataset can be simultaneously explained by a new population of astrophysical bodies with mass several times that of Earth. Researchers propose that these objects to be primordial black holes (PBHs) and point out the orbits of TNOs …