Astronomical Units of Lengths

Standard Measurements:

• 1" = 2.54 cm
• 1 AU {Astronomical Unit} = 149.6x10⁹ m (average distance between the earth 🌍 and our sun ☀️)
• 1 Light Year = 9.46x10¹⁵ m = 63240 AU
• 1 pc {Parsec} = 30.857x10¹⁵ m = 206264.8 AU

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Refer also to Earths procession.