Astronomical system of units
The astronomical system of units, formally called the IAU (1976) System of Astronomical Constants, is a system of measurement developed for use in astronomy. It was adopted by the International Astronomical Union (IAU) in 1976, and has been significantly updated in 1994 and 2009 (see astronomical constant).
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Astronomical system of units
The astronomical system of units, formally called the IAU (1976) System of Astronomical Constants, is a system of measurement developed for use in astronomy. It was adopted by the International Astronomical Union (IAU) in 1976, and has been significantly updated in 1994 and 2009 (see astronomical constant).
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Astronomiczne jednostki odległ ...... pc = 3,2616 l.y. = 206 265 au
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Astronomische Maßeinheiten ¹) ...... eme und deren Charakteristika.
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El sistema astronómico de unid ...... evan el nombre de una persona.
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Il sistema astronomico di unit ...... olare (d) come unità di tempo.
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Le système astronomique d'unit ...... é par l'UAI pour l'astronomie.
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O sistema astronômico de unida ...... ema Internacional de Unidades.
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The astronomical system of uni ...... ee different measures of time.
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天文單位系統的正式名稱是國際天文學聯合會（1976）天文常數 ...... 量的單位，都是純物理的常數，並且對時間至少有三種不同的量度。
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Astronomiczne jednostki odległ ...... pc = 3,2616 l.y. = 206 265 au
@pl
Astronomische Maßeinheiten ¹) ...... eme und deren Charakteristika.
@de
El sistema astronómico de unid ...... te actualizado desde entonces.
@es
Il sistema astronomico di unit ...... olare (d) come unità di tempo.
@it
Le système astronomique d'unit ...... é par l'UAI pour l'astronomie.
@fr
O sistema astronômico de unida ...... ema Internacional de Unidades.
@pt
The astronomical system of uni ...... 9 (see astronomical constant).
@en
天文單位系統的正式名稱是國際天文學聯合會（1976）天文常數 ...... 量的單位，都是純物理的常數，並且對時間至少有三種不同的量度。
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Astronomical system of units
@en
Astronomiczne jednostki odległości
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Astronomische Maßeinheiten
@de
Sistema astronomico di unità di misura
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Sistema astronómico de unidades
@es
Sistema astronômico de unidades
@pt
Système astronomique d'unités
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天文單位系統
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