The idea of building a nuclear reactor as a power source on the Moon is not new.
The collection, inspired by mythology of the traveller, features natural textures
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A so-called "planetary nebula" is a confusing misnomer because these clouds have nothing to do with planets. As a medium-size star nears the end, it puffs out into a red giant — about 100 to 1,000 times its original size — eventually engulfing the space around it, including any nearby worlds.
Nature, Published online: 25 February 2026; doi:10.1038/s41586-026-10159-6