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[[Fasciculus:Eso1241e.jpg|thumb|Systema [[Alpha Centauri]], consistens [[Astrum|astrorum]] trium, proximi Solem iacunt cum 4.37 anni luce mensi.]] |
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[[Fasciculus:The Sun by the Atmospheric Imaging Assembly of NASA's Solar Dynamics Observatory - 20100819.jpg|thumb|Lux [[Sol]]is [[minutum|minuta]] octo ad [[Tellus (planeta)|Terram]] vehi capit.]] |
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'''Annus luce mensus'''<ref>[http://eweb.furman.edu/~dmorgan/lexicon/silva.htm Lexicon Morgan]; [http://books.google.fi/books?id=0PXHgsvKqkkC&pg=PA79&lpg=PA79&dq=%22annus+luce+mensus%22&source=bl&ots=phETBFMJUL&sig=Fr4J3aswEaX9OaqbwvCBiKROr40&hl=fi&ei=Ev-qTrb9J8P34QTzjYXdDg&sa=X&oi=book_result&ct=result&resnum=1&ved=0CBsQ6AEwAA#v=onepage&q&f=false José Juan Del Col, ''Diccionario auxiliar: español-latino para el uso moderno del Latín.'']; Tuomo Pekkanen & Reijo Pitkäranta, ''Lexicon hodiernae Latinitatis Finno-Latino-Finnicum'' (Helsinki: SKS 2005) s.v. ''Valovuosi''.</ref><ref>Ebbe Vilborg, ''Norstedts svensk-latinska ordbok'', editio secunda, 2009.</ref> sive '''spatium lucis annuae'''<ref>{{fontes desiderati}}</ref> (abbreviatio internationalis '''ly''') est illud spatium quod lux per unum [[annus|annum]] in spatio vacuo pervolare potest. Unus annus luce mensus aequat fere 9 460 500 000 000 [[chiliometrum|km]]. Longitudo exacta dependet a definitione anni (sive annus tropicalis sive annus Iulianus sive annus sideralis significatur). [[Unio Astronomica Internationalis]] annum Iulianum praefert. Itaque 1 ly aequat 9 460 730 472 580 800 [[metrum|m]]. Unum spatium lucis annuae aequat 63 240 [[unitas astronomica|ua]] (unitatum astronomicarum) vel 0,3066 pc (parsec). |
'''Annus luce mensus'''<ref>[http://eweb.furman.edu/~dmorgan/lexicon/silva.htm Lexicon Morgan]; [http://books.google.fi/books?id=0PXHgsvKqkkC&pg=PA79&lpg=PA79&dq=%22annus+luce+mensus%22&source=bl&ots=phETBFMJUL&sig=Fr4J3aswEaX9OaqbwvCBiKROr40&hl=fi&ei=Ev-qTrb9J8P34QTzjYXdDg&sa=X&oi=book_result&ct=result&resnum=1&ved=0CBsQ6AEwAA#v=onepage&q&f=false José Juan Del Col, ''Diccionario auxiliar: español-latino para el uso moderno del Latín.'']; Tuomo Pekkanen & Reijo Pitkäranta, ''Lexicon hodiernae Latinitatis Finno-Latino-Finnicum'' (Helsinki: SKS 2005) s.v. ''Valovuosi''.</ref><ref>Ebbe Vilborg, ''Norstedts svensk-latinska ordbok'', editio secunda, 2009.</ref> sive '''spatium lucis annuae'''<ref>{{fontes desiderati}}</ref> (abbreviatio internationalis '''ly''') est illud spatium quod lux per unum [[annus|annum]] in spatio vacuo pervolare potest. Unus annus luce mensus aequat fere 9 460 500 000 000 [[chiliometrum|km]]. Longitudo exacta dependet a definitione anni (sive annus tropicalis sive annus Iulianus sive annus sideralis significatur). [[Unio Astronomica Internationalis]] annum Iulianum praefert. Itaque 1 ly aequat 9 460 730 472 580 800 [[metrum|m]]. Unum spatium lucis annuae aequat 63 240 [[unitas astronomica|ua]] (unitatum astronomicarum) vel 0,3066 pc (parsec). |
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Emendatio ex 17:05, 21 Aprilis 2013
Annus luce mensus[1][2] sive spatium lucis annuae[3] (abbreviatio internationalis ly) est illud spatium quod lux per unum annum in spatio vacuo pervolare potest. Unus annus luce mensus aequat fere 9 460 500 000 000 km. Longitudo exacta dependet a definitione anni (sive annus tropicalis sive annus Iulianus sive annus sideralis significatur). Unio Astronomica Internationalis annum Iulianum praefert. Itaque 1 ly aequat 9 460 730 472 580 800 m. Unum spatium lucis annuae aequat 63 240 ua (unitatum astronomicarum) vel 0,3066 pc (parsec).
Exstant etiam unitates
- spatium lucis horalis (= 1 079 252 848 800 m),
- spatium lucis minutalis ( = 17 987 547 480 m),
- spatium lucis secundalis ( = 299 792 458 m).
Astrologi unitatibus spatii lucis ad distantias astronomicas metiendum utuntur. Terra, exempli causa, a Sole circiter octo spatia lucis minutalis abest. Proxima stella praeter Solem, id est Proxima Centauri, plus quattuor annos lucis abest.
Notae
- ↑ Lexicon Morgan; José Juan Del Col, Diccionario auxiliar: español-latino para el uso moderno del Latín.; Tuomo Pekkanen & Reijo Pitkäranta, Lexicon hodiernae Latinitatis Finno-Latino-Finnicum (Helsinki: SKS 2005) s.v. Valovuosi.
- ↑ Ebbe Vilborg, Norstedts svensk-latinska ordbok, editio secunda, 2009.
- ↑
Fons nominis Latini desideratur (addito fonte, hanc formulam remove)
