Astronomical Unit/Related Articles
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- See also changes related to Astronomical Unit, or pages that link to Astronomical Unit or to this page or whose text contains "Astronomical Unit".
Parent topics
- Astronomy [r]: The study of objects and processes in the observable universe, e.g. stars, planets, comets or asteroids. [e]
- Solar system [r]: Our sun, Sol and the astronomical objects, like Planet Earth, gravitationally bound to it [e]
Subtopics
- Sun [r]: The star that defines our solar system. [e]
- Earth [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 Earth (disambiguation) for a list of available, more precise, topics. Please add a new usage if needed.
- Lightyear [r]: Add brief definition or description
- 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]
- Unit (measurement) [r]: A basic quantity, multiples or parts of which are used to express other measured quantities. [e]
- Abacus [r]: A mechanical aid to performing arithmetic which dates back many centuries and is still used in modern times. [e]
- Light year [r]: Distance that light travels in vacuum in one year; 9,460,730,472,580.800 km = 9.4607304 * 1012 km. [e]
- Tidal force [r]: Gravitational forces acting on an extended body as a result of the varying distance between the source of the gravitational force, and the different parts of the extended body. [e]