Power in space · Generation, transmission, storage, use · Government and first-party sources
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Image of the Day · 2026-07-14

Banked Daylight

The night spends the stack from the top down — fourteen cells of banked daylight standing in a dark the Moon has never lit.

An artistic imagining, not real hardware. Black-and-white continuous-tone image: in near-total darkness, a single vertical stack of fourteen softly glowing rounded cells stands on a faintly lit floor, its tone graded like a charge scale — brilliant white at the bottom, fading toward near-black at the top. High above and slightly to the right, one small, perfectly hard-edged white circle hangs in the dark, a widening cone of faint light falling from it onto the dim top of the stack. The vault of a huge tunnel is barely suggested by a breath of gray around the frame. Everything except the circle is soft tonal gradation; purely procedural grayscale rendering, no text, nothing shown exists.
An artistic imagining, rendered procedurally in pure black and white, of a battery vault standing in the dark of a lunar lava tube — one cell banked for each Earth-day of the fourteen-day lunar night, the stack spent from the top down, beneath the one hard circle of skylight the daylight fell through. Lunar lava tubes and their skylight pits are real (SELENE imaging, GRAIL gravity data), but no such vault exists. Image: poweringspace.com. Artistic imagining.
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