An interesting indirect way to detect very distant extraterrestrial super-civilizations: Spot ET’s waste heat for chance to find alien life – New Scientist.
Or just a proposal for a count of a new class of galaxies.
An interesting indirect way to detect very distant extraterrestrial super-civilizations: Spot ET’s waste heat for chance to find alien life – New Scientist.
Or just a proposal for a count of a new class of galaxies.