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
Festival of Northern Lights organization. In its 21st year in 2008 it was gradually converted to LED lights from traditional incandescent lights out of respect for the environment. This effort aimed to reduce operating costs allowing the festival operators to expand the magnitude of the festival. Festival of Northern Lights The Festival of Northern Lights is a large award-winning display of Christmas lights in Owen Sound, Ontario, Canada. The celebration runs from mid November into January and it attracts 20,000 people each year. The Festival is a brainchild of Marie Walpole in 1987 and is considered as one of the extensive and outstanding winter