An AU (astronomical unit)

An AU (astronomical unit) (149.6 million km)

/fact/an-au-astronomical-unit

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Neat Ratios ...

An AU (astronomical unit) (149.6 million km)

is 1/5000 of Distance to the Oort Cloud (748 billion km)...more
is 1/40 of Distance to Pluto (dwarf planet) (5.92 billion km)...more
is about as big as Distance from the Earth to the Sun (149.6 million km)...more
is 4000 x Circumference of Venus (37,700 km)...more
is 10000 x Range of an Airbus A380 (15,200 km)...more

If this was a standard unit ...