Light-year Light-year The light-year is a unit of length used to express astronomical distances and measures about 9.46 trillion kilometres or 5.88 trillion miles. As defined by the International Astronomical Union (IAU), a light-year is the distance that light travels in vacuum in one Julian year (365.25 days). Because it includes the word "year", the term light-year is sometimes misinterpreted as a unit of time. The light-year is most often used when expressing distances to stars and other distances on a galactic scale, especially in nonspecialist and popular science publications. The unit most commonly used in professional astrometry is the parsec
1, 2, 3, Red Light 1, 2, 3, Red Light 1, 2, 3, Red Light, the second album by American bubblegum pop group the 1910 Fruitgum Company, was released six months after their debut album, "Simon Says". The title song written by Sal Trimachi and Bobbi Trimachi, was the albums' only hit single for the band, peaking at #5 on the Billboard Hot 100, with both the album and the single just barely missing the success of their first release. As with their previous album there has been questions about who played what. Original drummer Floyd Marcus has stated that he still played on the