🌈 Explore the layers
Click a layer or object to learn more. Drag objects to uncover layer labels on the left. Keyboard: focus an object and press Alt + arrow keys to move it. Heights are intentionally compressed.
0 km
🚀 Journey controls
Travel through the atmosphere, or jump instantly to a destination.
Accessibility: Use Tab and Enter or Space to choose a layer or discovery. Focus an object in the sky and press Alt + arrow keys to move it without dragging. Use arrow keys on the altitude slider. The scavenger-hunt window can also be moved with Alt + arrow keys while its title bar is focused.
Temperature estimates are a simplified scientific model. Above about 85 km, the thin air's kinetic temperature is highly variable; hot does not mean it would feel hot.
Troposphere
🔍 Clickable discoveries
Choose a discovery!
Tap any object in the sky or one of these buttons to learn more.