Where and when
Your location is only used on this device and is never sent anywhere.
Sun and Moon
On the dome, or circling below it at a fixed height. Many flat-earth descriptions give a Sun about 5,000 km up and 51 km wide. Moving a height slider takes that body off the dome.
Terrain
Land is raised just enough to show its shape; at true scale even Everest would be thinner than a line. Antarctica is raised much higher, as the ice wall.
Share
Share a link that opens exactly this view. Nothing is uploaded; the settings, including the observer’s place, are inside the link.
The whole sky, looking straight up: north at the top, east on the left. The orange outline is what the sky view shows; tap or drag the chart to aim it.
Celestial equator Sun’s yearly path Celestial pole
Guided tours with captions. Tap one to play; use the bar at the bottom of the view to pause or skip. Rec plays it with every control hidden, for screen recording.
What this is
The flat-earth model puts the Sun, Moon and stars on a dome above a flat map. This site takes the real sky, computed with standard astronomy for a round Earth, and places every object on that dome. Then it asks what light would have to do so that people still see the sky they actually see.
Every part of the dome model can be adjusted: the dome’s height, width and shape, and whether the Sun and Moon ride on the dome or circle below it at a height and size you choose. None of these settings brings the Sun below the horizon; try it.
The answer is drawn as curved light rays. On a globe the same rays are straight; switch to Globe to compare.
How to use it
- Dome and Globe: drag to turn the camera, pinch or scroll to zoom.
- Sky view: what a person at the red-and-blue marker sees. Swipe or scroll sideways to turn east or west.
- The bar at the bottom changes the time. Press play for a time-lapse.
Accuracy
Terrain is an approximate model of the major mountain ranges, plateaus and ice sheets, placed and sized from standard atlases, with heights exaggerated (20× by default) only so their shape shows on a map 40,000 km across. Antarctica alone is raised far higher: the ring around the rim shows the “ice wall” that flat-earth maps describe; its height is a setting, not a measurement. The real Antarctic coast is mostly ice cliffs tens of metres high, with an ice sheet up to 4 km thick behind them.
Sun, Moon, planets and Earth's rotation come from standard low-precision formulas, accurate to a few arcminutes for 2025–2030. Stars: about 190 of the brightest, to about 0.1°. The sky view includes atmospheric refraction. The curved rays are drawn shapes that join the two ends; the dome model itself offers no law of physics for them.
Privacy
No accounts, no cookies, no ads, no analytics. The site makes no requests to other servers. Your last view is remembered in this browser only. “Use my location” stays on your device unless you share a link, which includes the observer’s position.
Open source
Free to use, study, change and share under the MIT license. Source code and how to contribute.
Credits
Based on the Flat Earth Dome Model by Walter Bislin. Coastlines from Natural Earth (public domain). Star positions from standard bright-star tables.