light-month — «LYT MUHNTH», noun. the distance that light travels in one month; about 500 billion miles … Useful english dictionary
Light-year — For other uses, see Light year (disambiguation). Image showing the scale of a light year (outer shell) and a light month (inner shell) surrounding the Sun compared to Comet 1910 A1 s orbit (yellow line) and Comet Hyakutake s orbit (orange line).… … Wikipedia
Light-second — A light second is a unit of length. It is defined as the distance light travels in an absolute vacuum in one second or 299,792,458 meters. Note that this value is considered exact, since the meter is actually (as of 1983) defined in terms of the… … Wikipedia
Light-week — A light week (also written light week) is a unit of length. It is defined as the distance light travels in an absolute vacuum in one week (seven days of 86,400 seconds each) or 181,314,478,598,400 metres ( 181 Tm).Note that this value is exact,… … Wikipedia
Light-day — A light day (also written light day) is a unit of length. It is defined as the distance light travels in an absolute vacuum in one day (of 86,400 seconds) or 25,902,068,371,200 metres ( 26 Tm).Note that this value is exact, since the metre is… … Wikipedia
Light-hour — A light hour (also written light hour) is a unit of length. It is the distance travelled by light in vacuum in one hour. Based on the current definition of the metre a light hour is equal to 1,079,252,848,800 metres ( 1.08 Tm).This distance can… … Wikipedia
Light-minute — A light minute (also written light minute) is a unit of length. It is defined as the distance light travels in an absolute vacuum in one minute or 17,987,547,480 metres ( 18 Gm). Note that this value is exact, since the metre is actually defined… … Wikipedia
Light Dark Matter — refers to Dark Matter WIMP candidates with masses less than 1 GeV. [cite conference |first=M. |last=Cassé |authorlink= |coauthors=Fayet, P. |title=Light Dark Matter |booktitle= |pages= |publisher= |conference=21st IAP Colloquium Mass Profiles and … Wikipedia
Light painting — Light painting, also known as light drawing is a photographic technique in which exposures are made usually at night or in a darkened room by moving a hand held light source or by moving the camera. In many cases the light source itself does not… … Wikipedia
Light Cycle — Light cycles are fictional vehicles designed by Syd Mead for the simulated world of the Tron universe. These futuristic two wheeled vehicles resemble motorcycles and create walls of colored light.The vehicles were primarily used in a competition… … Wikipedia
