Cloud Observatory

A small observatory above the weather: an open dome, a brass telescope, snowy peaks in a sea of cloud, and the first stars. Let the light fade to night.

A brass telescope waits inside an open mountain observatory above a sea of twilight clouds.

Slow clouds

The clouds roll slowly and the stars twinkle a little. Turning the light toward night takes a few seconds. Nothing flashes. Sound plays only if you start with it.

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What you can do here

Watch the clouds
The cloud sea drifts and rolls the whole time, slowly, the way a real one moves when you watch it from above for a while. Mountain air makes it a little livelier, and louder.
Let the night come
Light takes the sky from last light through the blue hour to night. The warm band at the horizon cools, the clouds turn blue-gray and more stars show. Each step takes a few seconds.
Look along the telescope
Move the pointer along the brass tube and a warm glint follows it, then fades when you move away.
Tap the rail
Tap the curved rail at the foot of the dome and the structure settles with a low creak while a glint runs along the metal.

Use it as your wallpaper

Press F for fullscreen and M to turn the sound off and on; the volume and your sound choice carry over to every wallpaper. The sound keeps playing if you switch to another tab.

Live link

https://whitescreen.tv/interactive-wallpapers/cloud-observatory/#wallpaper
On a computer desktop
Some wallpaper apps can show a web page behind your desktop icons. Give one the live link above and the scene runs there on its own: no page around it, no ads and no sound.
On a TV or a spare screen
Open this page and press F, or use Fullscreen. While it’s in fullscreen we ask the browser to keep the screen from going to sleep.
On a phone or tablet
Save image downloads exactly what’s on the screen as a picture. Set it as your wallpaper from your photos; the phone will crop the sides.

A live wallpaper keeps a page running all day. Through the live link the scene draws at most 30 frames a second and stops while the screen is covered, but on a laptop it still costs some battery.

When you can see a sea of clouds

A cloud sea forms when a layer of low cloud is trapped under warmer air above it, a temperature inversion, and you stand higher than its top. Mountain observatories are often built above that layer for the same reason: the air over it is steadier and drier, which makes for sharper views of the stars.

About the sounds

Two recordings: wide, high mountain air, and the dome settling. There is no music and no motor noise; up there it is mostly the wind.

Picture and sounds generated from our prompts. Motion, controls and mix by WhiteScreen.tv.

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