Unitas astronomica
(Redirectum de Ua)
Unitas astronomica (UA) est unitas intervalli non ad systema SI attinens, quae longitudinem mediam inter Solem et Tellurem describit. Unio Astronomica Internationalis (UAI) anno 2012 hanc unitatem ita definivit: 1 UA = 149 597 870 700 m.[1][2]
Nexus interni
Notae 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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