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they studied the skies so they don't get lost at night
Night Skies - 2007 is rated/received certificates of:
Australia:MA
Portugal:M/16
USA:R
the stars are in the night skies
The symbol for clear skies during the day is a sun. The symbol for clear skies at night is a set of stars.
Dark Skies - 1996 Strangers in the Night 1-18 was released on:
USA: 24 May 1997