# Light year/Related Articles

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A list of Citizendium articles, and planned articles, about Light year.

## Bot-suggested topics

Auto-populated based on Special:WhatLinksHere/Light year. Needs checking by a human.

• Andromeda Galaxy [r]: Nearest large spiral galaxy to the Milky Way, also known as Messier 31 [e]
• Antlia [r]: Constellation in the southern sky, which is surrounded by Hydra, Pyxis, Vela and Centaurus. [e]
• Galaxy [r]: Please do not use this term in your topic list, because there is no single article for it. Please substitute a more precise term. See Galaxy (disambiguation) for a list of available, more precise, topics. Please add a new usage if needed.
• International Astronomical Union [r]: Internationally recognized authority for assigning designations to celestial bodies (stars, planets, asteroids, etc), headquartered in Paris, France. [e]
• Light day [r]: Distance that light travels in a vacuum in one day; 1 light day = 25,902,068,371,200 m = 2.5902067 * 1013m. [e]
• Light hour [r]: Distance that the light travels in vacuum in one hour, 1.0792528 * 1012m [e]
• Light minute [r]: Distance that light travels in vacuum in one minute; 17,987,547,480 m = 1.7987547 * 1010m. [e]
• Light month [r]: The distance, ${\displaystyle 7.7706205*10^{14}}$ meters, that light travels in one month. [e]
• Light second [r]: Distance that light travels in vacuum in one second; 2.99792458 * 108m. [e]
• Light week [r]: Distance that light travels in a vacuum in one week; 1 light week = 1.81314469 * 1011km. [e]
• Light [r]: The part of the electromagnetic spectrum visible to a species' biological eye. [e]
• NGC 7089 [r]: A bright globular cluster, also known as Messier 2. [e]
• Parsec [r]: Unit of astronomical length based on the distance from Earth at which stellar parallax is one second of arc and equal to 3.258 light-years, 3.086 × 1013 kilometers, or 1.918 × 1013 miles. [e]
• Proxima Centauri (star) [r]: Red dwarf star that is the sun's nearest neighbor (4.2 light-years), with a stellar magnitude of ll, and is 2° from the bright star α Centauri. [e]
• Second [r]: Please do not use this term in your topic list, because there is no single article for it. Please substitute a more precise term. See Second (disambiguation) for a list of available, more precise, topics. Please add a new usage if needed.
• Solar system [r]: Our sun, Sol and the astronomical objects, like Planet Earth, gravitationally bound to it [e]
• Year [r]: A unit of time measurement that corresponds to one revolution of the earth around the sun, approximately 365¼ days. [e]