Abstract
Here several utopian/dystopian thought experiments are proffered to explore the contemporary sheer dread in thinking otherwise than the contemporary unworld as it is.1 With reference to the 2017 BBC drama Hard Sun and the cosmological horror of a world without a sun, what is demonstrated is the contemporary incapacity of thought to think beyond the utopos of the unworld as it is. Hard Sun, an essentially failed science-fiction TV series, is contrasted with the satirical optimism of Gabriel Tarde’s Underground Man, published in 1905, in which a postapocalypse sunless utopia, and with it utopic forms of telluric life, is envisaged under the Earth. Shaping and guiding these considerations are the different...