Universe
span = 13.8B yrs
share of universe's age100%
13.8B YRS AGO
Matter
has existed for...
99.999644734526711431%
of existence
13.8B YRS AGO
Hydrogen and Helium Atoms
have existed for...
99.997231691402816978%
of existence
13.6B YRS AGO
Stars
have existed for...
98.550710164705861871%
of existence
13.3B YRS AGO
Galaxies
have existed for...
96.376797440484409663%
of existence
4.5B YRS AGO
Earth
has existed for...
32.971009650692032267%
of existence
3.8B YRS AGO
Life
has existed for...
27.536227840138398193%
of existence
1.0B YRS AGO
Multicellular Life
has existed for...
7.2463757474048424712%
of existence
550.0M YRS AGO
Complex Animals
have existed for...
3.9855066610726637144%
of existence
2.5M YRS AGO
Homo Genus
has existed for...
0.0181159393685121073%
of existence