Power in space · Generation, transmission, storage, use · Government and first-party sources
poweringspace
Image of the Day · 2026-08-20

The Shadow Is the Wire

The power line is drawn by the reactor's own shadow

Artistic imagining, not existing hardware, of a fission surface-power reactor standing alone on the lunar plain at dusk: a tall metallic core tower topped by nine radiator fins fanned open like a blossom, casting one impossibly long shadow across cratered regolith that doubles as its power cable, running to a toy-small habitat dome dwarfed on the horizon under a star-flecked, amber-lit sky.
An artistic imagining, not existing hardware: a fission surface-power reactor on the lunar plain casts a shadow so long it becomes the power line itself, running from the machine's base to the small habitat it keeps alive through the coming 14-day lunar night. Second image in the poweringspace.com Image of the Day series. Image: poweringspace.com. Artistic imagining.
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