A photon with a wavelength equal to the Planck length wouldn't become a blackhole. The observed energy is dependant on the observer. https://physics.stackexcha

A photon with a wavelength equal to the Planck length wouldn't become a blackhole. The observed energy is dependant on the observer. https://physics.stackexchange.com/questions/288287/does-light-with-a-wavelength-on-the-planck-scale-become-a-self-trapping-black-ho https://physics.stackexchange.com/questions/288287/does-ligh...