Find out about galaxy star atom planet supercluster of galaxies order of increasing size in the universe below. Below a growing in size from subatomic particle to large scale supercluster of galaxies.

Section	Range (m)		Unit	Example Items
	?	<
Subatomic	0	10?15	am	electron, quark, string
Atomic to cellular	10?15	10?12	fm	proton, neutron
	10?12	10?9	pm	wavelength of gamma rays and X-rays, hydrogen atom
	10?9	10?6	nm	DNA helix, virus, wavelength of optical spectrum
Human scale	10?6	10?3	µm	bacterium, fog water droplet, human hair
	10?3	100	mm	mosquito, golf ball, soccer ball
	100	103	m	human being, American football field, Eiffel Tower
	103	106	km	Mount Everest, length of Panama Canal, asteroid
Astronomical	106	109	Mm	the Moon, Earth, one light-second
	109	1012	Gm	Sun, one light-minute, Earth's orbit
	1012	1015	Tm	orbits of outer planets, Solar System
	1015	1018	Pm	one light-year; distance to Proxima Centauri
	1018	1021	Em	galactic arm
	1021	1024	Zm	Milky Way, distance to Andromeda Galaxy
	1024	?	Ym	visible universe