Atomic to Astronomical Range of Variation of Length

Some objects have a wide range of lengths in the universe. They are tabulated below in the order of magnitude of their lengths.

Size/distance of the object	Order of magnitude of length (m)
Radius of nucleus	10^-14
Diameter of an atom	10 ^-10
Radius of hydrogen atom	10 ^-11
Mean free path of air molecule	10^{- 6}
Thickness of a sheet of paper	10 ^{- 4}
Height of a man	10
Height of Mount Everest	10⁴
Radius of earth	10⁷
Distance of earth from sun	10¹¹
Distance of nearest star from earth	10¹⁶
Size of Milky way (Galaxy)	10²¹
Size of universe	10²⁵