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
Live-Evil (Miles Davis album) 1970 at Columbia Studio B, New York, NY)" 3. "Medley: Gemini/Double Image" (5:53)<br>"(Recorded February 6, 1970 at Columbia Studio B, New York, NY)" Side Two (25:12)<br> 1. "What I Say" (21:09)<br>"(Recorded December 19, 1970 at The Cellar Door, Washington, DC)" 2. "Nem Um Talvez" (4:03)<br>"(Recorded June 3, 1970 at Columbia Studio B, New York, NY)" Side Three (25:38)<br> 1. "Selim" (2:12)<br>"(Recorded June 3, 1970 at Columbia Studio B, New York, NY)" 2. "Funky Tonk" (23:26)<br>"(Recorded December 19, 1970 at The Cellar Door, Washington, DC)" Side Four (26:29)<br> 1. "Inamorata and Narration by Conrad Roberts" (26:29)<br>"(Recorded December 19, 1970 at The