Record cold mesosphere leads to a higher frequency of noctilucent clouds (NLC) appearance this summer
Mesosphere is getting cold. Actually, very cold. Satellite observations over the past few weeks have revealed very low temperatures at polar latitudes – between 60 degrees and 80 degrees...
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...