Noctilucent clouds – the most unusual, extreme clouds on Earth

Have you ever seen noctilucent clouds? These may be the most unusual and rare clouds you may ever see. Noctilucent clouds are to normal clouds what Martians would be to life on Earth. Almost. The vast majority of all clouds (on Earth) are found in the troposphere. This is the layer of the atmosphere closest … Continue reading Noctilucent clouds – the most unusual, extreme clouds on Earth