Universe vs Milky Way galaxy vs Andromeda galaxy vs Ton 618 vs S5 0014+81 black hole vs Stephenson 2-18 vs Sagittarius A black hole vs Rigel star vs Alnilam (Orion Belt central star) vs Alnitak (Orion Belt star) vs Mintaka (Orion Belt star) vs Sirius A Star vs The Sun vs Saturn vs Jupiter vs Uranus vs Neptune vs Earth vs Venus vs Mars vs Titan (moon of Saturn) vs Mercury vs Moon vs Pluto vs Asteroid Psyche 16 vs Death Star vs Comet 67P/Churyumov-Gerasimenko cliff vs Falcon Heavy vs DNA molecule vs Methane CH4 molecule vs Carbon dioxide CO2 molecule vs Water H2O molecule vs Hydrogen H2 molecule vs Hydrogen atom vs Helium atom vs Electron (classical size, larger than actual) vs Proton vs Neutron vs Electron (Experimental upper bound) size comparison

Compared Items

• Universe
• Milky Way galaxy
• Andromeda galaxy
• Ton 618
• S5 0014+81 black hole
• Stephenson 2-18
• Sagittarius A black hole
• Rigel star
• Alnilam (Orion Belt central star)
• Alnitak (Orion Belt star)
• Mintaka (Orion Belt star)
• Sirius A Star
• The Sun
• Saturn
• Jupiter
• Uranus
• Neptune
• Earth
• Venus
• Mars
• Titan (moon of Saturn)
• Mercury
• Moon
• Pluto
• Asteroid Psyche 16
• Death Star
• Comet 67P/Churyumov-Gerasimenko cliff
• Falcon Heavy
• DNA molecule
• Methane CH4 molecule
• Carbon dioxide CO2 molecule
• Water H2O molecule
• Hydrogen H2 molecule
• Hydrogen atom
• Helium atom
• Electron (classical size, larger than actual)
• Proton
• Neutron
• Electron (Experimental upper bound)