Nucleus of an atom - 0.00000000000001 m, Length of a virus - 0.0000002 m, Diameter of the eye of a fly - 0.0008 m, Diameter of a 1p coin - 0.02 m, Height of a door - 2m, height of a mountain - 400m, Distances between the 2 furthest places on Earth - 20 000 000m, Distance to the moon - 400 000 000m, Size of a galaxy  - 800 000 000 000 000 000 000m,

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