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
Northern Lights Shopping Center Northern Lights Shopping Center Northern Lights Shopping Center is a strip mall located in Economy, Pennsylvania near Pittsburgh. While it continues to serve as a traditional community-style strip mall for the immediate area, it was a major power center-style strip mall from its opening until the early 2000s. Due to the high vacancy rate at the plaza, it is today largely considered a dead mall. A Walmart that opened on the adjacent lot to Northern Lights in 2014 is expected to help revitalize the plaza as well as help dilapidated southern Beaver County, although parts of the plaza are scheduled