A unit of length always assess the distances of performers from Earth, defined as the exact distance from the Earth of a star which includes a parallax of 1 arcsecond. Approximately = 3.08568025 × 1016 meters = 3.2616 light-years.
An annual parallax of just one second of an arc; -- placed on celestial objects away from solar power system. It really is used to gauge the distance of an astronomical object from world. A star which includes a yearly parallax of just one second of an arc is considered to-be one parsec (3.26 light-years) distant from planet. See parsec inside vocabulary.
A theory or system of social reform which contemplates a complete reconstruction of society with a more just and equitable distribution of property and labor In popular usage the term is often employed to indicate any lawless revolutionary social scheme See Communism Fourierism Saint Simonianism forms of socialism...
How would you define parallax second?