The edge of a planet sweeps across the lower half of the screen as a fine line of electric blue.
Cobalt Planet Rim wallpaper shown on a phone lock screen in a Time Travel Walls mockup, with the orange Time Travel Walls logo.
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Cobalt Planet Rim

The edge of a planet sweeps across the lower half of the screen as a fine line of electric blue. Above it, a speckled black sky stays quiet, leaving clean space for the clock and notifications.

cobaltplanetrim

Specs

Resolution
864 ร— 1920 pixels (High Resolution)
Aspect ratio
about 9:20 (tall)
File size
411 KB JPEG
Fits
iPhone X and later full-screen models (19.5:9 screens). iOS crops a thin sliver from the edges; older iPhones with a Home button (16:9 screens) crop more from the top and bottom. iOS scales it up to fill current iPhone screens (most are 1170 to 1320 pixels wide), so fine detail looks slightly softer than native.
License
Free, no signup, no watermark (personal use, license)

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Prompt used

faint reflection nebula of soft steel blue dust low in one corner, vast quiet black starfield above, deep space photography, minimal, cinematic, calm

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