Power in space · Generation, transmission, storage, use · Government and first-party sources
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Image of the Day · 2026-06-17

Drinking the Plume

The moon breathes; the machine drinks the breath and makes fire.

An artistic imagining, not real hardware. A dark plum-black square lit entirely from within by a curtain of erupting light. Along the bottom, the black curve of a small icy moon rises against a soft rose haze, and from its limb five geysers fan upward and outward across the whole frame, each one built of nested ribbons of flat colour that run along the flow: a white core, wide magenta and crimson planes on either side, and thin slivers of cyan, blue, orange and gold at the outer edges, all curling as they climb. Across the middle of the square, banked nose-up to the right, a long black spacecraft is cut out of that light as pure silhouette, with no highlight, rim or outline of its own: a ribbed cylindrical hull, one swept and segmented radiator fin standing above an open triangulated truss boom, a flared nozzle bell at the tail, a single sphere slung beneath the belly, a cluster of slotted process drums and pipework along its spine, and a two-lipped ram scoop reaching forward at the nose. A broad soft pink funnel of plume material narrows into that scoop from the upper right, and out of the tail to the lower left runs one straight white lance of thrust in a magenta halo. A single thin gold hairline crosses the upper sky. No text, no insignia; nothing shown exists.
An artistic imagining, rendered procedurally, of a propellant tanker flying a low pass through the water geysers of Enceladus - catching vapour from the erupting curtain in a ram scoop at the nose, cracking it into propellant in the drums along its spine, and leaving again on a lance of thrust made from the moon's own breath. Cassini really did find Enceladus's south-polar plumes to be mostly water vapour and ice from the tiger-stripe fractures, and flew through them as low as about 49 km in 2015, and water is a genuine propellant feedstock; a ship that mines a plume in flight and refuels from it is speculation. Image: poweringspace.com. Artistic imagining.
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