Atmosphere of Earth sublimated into polar-mesospheric noctilucent clouds. These are the highest clouds in the atmosphere and may be visible to the naked eye if sunlight reflects off them about an hour or two after sunset or a similar length of time before sunrise. They are most readily visible when the Sun is around 4 to 16 degrees below the horizon. Lightning-induced discharges known as transient luminous events (TLEs) occasionally form in the mesosphere above tropospheric thunderclouds. The mesosphere is also the layer where most meteors burn up upon atmospheric entrance. It is too high above Earth to be accessible to jet-powered aircraft
Where We Are Tour: Live from the O2 the music video of "What About Now". According to description released:‘The Where We Are Tour: Live From The 02’ also gives fans a rare, intimate glimpse into the lives of Nicky Byrne, Kian Egan, Mark Feehily and Shane Filan with the bonus ‘Where We Are – The Documentary’. This compelling behind the scenes documentary provides a fly on the wall insight into the lives of the band in the run up and during the tour. The boys also chat exclusively about why this tour meant so much to them. Both the DVD and Blu-ray versions will also include the epic