Distance to edge of observable universe
10²⁶m
Distance to Andromeda Galaxy
10²²m
Diameter of Milky Way
10²¹m
Distance to nearest star
10¹⁶m
Diameter of Solar System
10¹³m
Distance to Sun
10¹¹m
Radius of Earth
10⁷m
Size of a cell
10⁻⁵m
Size of a hydrogen atom
10⁻¹⁰m
Size of a nucleus
10⁻¹⁵m
Size of a proton
10⁻¹⁷m
Plank length
10⁻³⁵m
Mass of Universe
10⁵³kg
Mass of Milky Way Galaxy
10⁴¹kg
Mass of Sun
10³⁰kg
Mass of Earth
10²⁴kg
Mass of empty Boeing 747
10⁵kg
Mass of an apple
10⁻¹kg
Mass of a raindrop
10⁻⁶kg
Mass of a bacterium
10⁻¹⁵kg
Mass of smallest virus
10⁻²¹kg
Mass of Hydrogen atom
10⁻²⁷kg
Mass of an electron
10⁻³⁰kg
Age of Universe
10¹⁷s
Time of travel of light to nearest star
10⁸s
One year
10⁷s
One day
10⁵s
Period of heartbeat
1s
Period of red light
10⁻¹⁷s
Time of passage of light across a nucleus
10⁻²⁴s