A light-year, alternatively spelled light year (ly or lyr), is a unit of length used to express astronomical distances and is equal to exactly 9460730472580...

Year of No Light is a French post-metal band formed in Bordeaux in 2001. On their 2006 debut album Nord, the band combined a dark and aggressive sludge...

Look up light year in Wiktionary, the free dictionary. A light-year is the distance that light travels through a vacuum in one year. Light year(s) and...

foot) to the light-minute, light-hour and light-day, which are sometimes used in popular science publications. The more commonly used light-year is also currently...

unintuitive. By convention, the Julian year is used in the computation of the distance covered by a light-year. In the Unified Code for Units of Measure...

lights to give children the ability to make him fly and a blinking red light bulb on his wrist to act as a laser. A button was included on his chest...

The International Year of Light and Light-based Technologies 2015 or International Year of Light 2015 (IYL 2015) was a United Nations observance that aimed...

Light, visible light, or visible radiation is electromagnetic radiation that can be perceived by the human eye. Visible light spans the visible spectrum...

The speed of light in vacuum, commonly denoted c, is a universal physical constant exactly equal to 299,792,458 metres per second (approximately 300,000...

"The Hundred Light-Year Diary" is a science-fiction short story by Australian writer Greg Egan, first published in Interzone 55 in January 1992. It was...

small to be convenient for interstellar distances, where the parsec and light-year are widely used. The parsec (parallax arcsecond) is defined in terms of...

/ Year of No Light is a split EP between the French heavy metal bands Karysun and Year of No Light. Side A: Karysun "Salvation" – 4:33 Side B: Year of...

000 AU (1.18, 2, and 3 light-years, respectively)) 9.5 Pm – 63,241.1 AU – one light-year, the distance light travels in one year 9.9 Pm – 66,000 AU – aphelion...

are only about half a light-year across and weigh in at about two solar masses their size varies: a globule one quarter light year in radius has 5.5×1046 m3...

Nord is the debut full-length album by French post-metal band Year of No Light, released in 2006. It was originally released by Radar Swarm (CD), E-Vinyl...

second single on 22 November 2019. Stevens' fourth studio album, titled Light Year, was released on 30 April 2021. Its lead single, "Jump In", was released...

Faster-than-light (superluminal or supercausal) travel and communication are the conjectural propagation of matter or information faster than the speed of light in...

"Waited a Light Year" instead; the label issued the single to radio stations on June 22, 1998. The decision to release "Waited a Light Year" as a single...

A Small Light is a biographical war drama miniseries about Miep Gies, a secretary who helped her Jewish employer Otto Frank, his family (including Anne...

to 149597870691±30 m. A light-year is equal to 9.4607304725808×1012 km the distance light travels through vacuum in one year (365.25 days). Jones, Daniel...

"reversing the procedure" used in defining a light-year. A light-foot is roughly one nanosecond, and one light-mile is approximately five microseconds. In...

increasing major axis diameters. The unit of measurement used is the light-year (approximately 9.46×1012 kilometers). Galaxies are vast collections of...

Billboard magazine's Top Hot 100 songs of 1978. The Top 100, as revealed in the year-end edition of Billboard dated December 23, 1978. 1978 in music List of Billboard...

extension of the GNU LilyPond sheet music format Light-year, the distance that light travels in one year in a vacuum Langley (unit), a unit of energy distribution...

timescales, implying that a substantial fraction of the light was emitted from a region less than 1 light-year in size, tiny compared to a galaxy. Although it...

Judith Ellen Light (born February 9, 1949) is an American actress. She made her professional stage debut in 1970, before making her Broadway debut in...

WOH G64 is surrounded by an optically thick dust envelope of roughly a light year in diameter, containing 3 to 9 times the Sun's mass of expelled material...

A light-emitting diode (LED) is a semiconductor device that emits light when current flows through it. Electrons in the semiconductor recombine with electron...

discovered. The unit of measurement used is the light-year (distance traveled by light in one Julian year; approximately 9.46 trillion kilometres). This...

central star. The outer disk contains unusual, light-year-long filaments. NGC 2392 lies about 6500 light-years away, and is visible with a small telescope...