Posts Tagged: Noctilucent Cloud

Noctilucent cloud on the edge of space – shedding light on the atmosphere

The discovery of noctilucent (night shining) clouds in 1885 revealed an atmosphere which extended far higher than expected. Since then, these clouds have challenged scientists around the world to find out why they form and vary. Because they scatter solar light, they shimmer at altitudes far above the typical cloud (~51 miles) which makes them… Read more »