Unitas astronomica
(Redirectum de Unitates astronomicae)
Unitas astronomica (UA) est mensura astronomica longitudinis, extra Systema internationale unitatum statuta, quae intervallo mediocri inter Solem et Tellurem congruit. Anno 2012 Unio Astronomica Internationalis (UAI) talem unitatem ita definivit: 1 UA = 149 597 870 700 m.[1][2]
Nexus interni
Notae
[recensere | fontem recensere]- ↑ E. V. Pitjeva, E. M. Standish (2009): Proposals for the masses of the three largest asteroids, the Moon-Earth mass ratio and the Astronomical Unit. in: Celestial Mechanics and Dynamical Astronomy. vol. 103,, pp. 365–372, doi:10.1007/s10569-009-9203-8.
- ↑ International Astronomical Union, ed. (31 Augusti 2012), "RESOLUTION B2 on the re-definition of the astronomical unit of length", RESOLUTION B2, Pekini Sinarum: Unio Astronomica Internationalis
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