Analysis of information sources in references of the Wikipedia article "Astronomical unit" in English language version.
Use standard abbreviations for ... natural units (e.g., au, pc, cm).
{{cite conference}}
: CS1 maint: numeric names: authors list (link)... recommends ... 5. that the unique symbol "au" be used for the astronomical unit.
... recommends [adopted] that the astronomical unit be re-defined to be a conventional unit of length equal to exactly 149,597,870,700 metres, in agreement with the value adopted in IAU 2009 Resolution B2
{{cite conference}}
: CS1 maint: numeric names: authors list (link)The units of length/distance are Å, nm, µm, mm, cm, m, km, au, light-year, pc.
The units of length/distance are Å, nm, μm, mm, cm, m, km, au, light-year, pc.
The units of length/distance are Å, nm, μm, mm, cm, m, km, au, light-year, pc.
Use standard abbreviations for ... natural units (e.g., au, pc, cm).