Type III: A civilization that commands the energy resources of an entire galaxy, harnessing energy from billions of stars and other galactic phenomena. This would involve technologies far beyond current human comprehension, like manipulating black holes or extracting energy from galactic structures. Estimated energy use: ~10^36 watts.
A new photo of the Sombrero galaxy from @NASAWebb reveals finer details of the hat-like formation. It has a smooth inner disk, while its “brim” – the outer ring – is made of intricate lumps. https://t.co/9Hj5pd2TmL