Night sky night sky. Aircraft are also visible at night, distinguishable at a distance from other objects because their lights blink. Night sky The term night sky, usually associated with astronomy from Earth, refers to the nighttime appearance of celestial objects like stars, planets, and the Moon, which are visible in a clear sky between sunset and sunrise, when the Sun is below the horizon. Natural light sources in a night sky include moonlight, starlight, and airglow, depending on location and timing. Aurorae light up the skies above the polar circles. Occasionally, a large coronal mass ejection from the Sun or simply
Under Great White Northern Lights actual DVD was released on March 16, 2010. The live album was recorded during the band's tour across Canada. It is available as both a CD and 180-gram vinyl LP. A limited edition box set containing the film was released on March 16, 2010. The box set includes the "Under Great White Northern Lights" documentary, the 16-track live album CD, and the same 16-track live album on 180-gram vinyl. Exclusive components to the box set includes a live 7" single featuring "Icky Thump" on one side and "The Wheels on the Bus" (records live in Winnipeg on July 2, 2007)