4 ms·
The dwarf galaxy problem might qualify: https://en.wikipedia.org/wiki/Dwarf_galaxy_problem https://en.wikipedia.org/wiki/Dwarf_galaxy_problem
by mr_mitm 2y ago
The dwarf galaxy problem might qualify: https://en.wikipedia.org/wiki/Dwarf_galaxy_problem https://en.wikipedia.org/wiki/Dwarf_galaxy_problem