As of today, in season now. Earth Exhibit tracks the live conditions and flags it the moment it is on.
Airglow is the faint emission of light from Earths upper atmosphere produced by chemiluminescent reactions and recombination of atoms and molecules energized by sunlight.
It is present every night worldwide but its brightness and structure vary with season, local time, solar and geomagnetic activity and atmospheric gravity waves.
Where to see it
A taste of where to see it. The full map, exact coordinates and the best timing for each spot live in the app.
| Viewing spots |
|---|
| Cerro Paranal - Paranal Visitor Centre viewpoint |
| Mirador de Roque de los Muchachos (ORM viewpoint), La Palma |
| + 2 more spots, with exact coordinates and timing, in the app → |
This is the short version
This page shows a taste. The app has the full list of where to see this, the exact timing, and live conditions for 1,000+ natural phenomena worldwide, so you know the moment one is genuinely worth the trip.