How wide is 7.3 hands?
It's about 500,000,000 times as wide as a Glucose Molecule
The width of a Glucose Molecule is about 0.0000000150 hands.
(C6H12O6, a.k.a. grape sugar) (open chain form)
It's about 0.000000002 times as long as The Distance from Earth to the Moon
The length of The Distance from Earth to the Moon is about 3,783,824,000 hands.
(a.k.a. Luna) (median of semi-major axis, or apigee, and semi-minor axes, or perigee)
The orbit of the Moon around the Earth is elliptical, with an average distance of 384,436.5 km from center-to-center. About 428.376 kg of moon rock have been cataloged on the Earth, from the American Apollo and Soviet Luna Programs, and from samples that have been extracted from meteorites.