The speed of light is a physical constant, the rate at which light travels in a vacuum.
Speed of Light may also refer to: Refractive index, the speed of light in a material relative to in vacuum Speed of light (cellular automaton), the greatest rate of information propagation in a cellular automaton
Music "Speed of Light", a song by the band Orchestral Manoeuvres in the Dark, from their 1991 album Sugar Tax "Speed of Light", a song by guitarist Joe Satriani, from his 1993 album Time Machine "Speed of Light", a song by the band Stratovarius, from their 1996 album Episode "Speed of Light", a song by the band van Canto, from their 2008 album Hero "Speed of Light", a song by the band Teenage Fanclub, from their 1997 album Songs from Northern Britain "Speed of Light", a song by the hip-hop recording artist Chance the Rapper, from his 2025 album Star Line "Speed of Light" (Speed song), a single by South Korea boy group Speed Speed of Light (album), a 2009 album by Corbin Bleu "Speed of Light" (Iron Maiden song), 2015
Other The Speed of Light, a 2005 novel by Javier Cercas
See also Faster than the speed of light (disambiguation) Lightspeed (disambiguation) The Speed of Darkness (disambiguation)