Choose a background or upload your own photo, then download a shareable quote image.
Choose a background or upload your own photo, then download a shareable quote image.
If we analyse the supernova data by assuming the Copernican principle is correct and get out something unphysical, I think we should start questioning the Copernican principle…. Whatever our theoretical predilections, they will in the end have to give way to the observational evidence.