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
Nelvana of the Northern Lights Nelvana of the Northern Lights Nelvana of the Northern Lights is a Canadian comic book character and the first Canadian national superhero, debuting in Hillborough Studios' "Triumph-Adventure Comics" #1 (Aug. 1941). She is also one of the first female superheroes, debuting before Wonder Woman but after Fantomah, the Golden Age Black Widow, Invisible Scarlet O'Neil and others introduced in 1940. Nelvana of the Northern Lights is Canada’s first distinctly Canadian female superhero. On October 5, 1995, Canada Post issued a stamp depicting her, as part of the "Comic Book Superheroes" series that also included Superman, Johnny Canuck, Captain Canuck and