3steps from the big bang
4things can go into it
O
oxygen
FundamentalElement
The most common element in Earth's crust by weight. Most of it is locked up in rock, not air.
First appeared13.6 billion years ago
Made Of
Everything is made of something.← What it takes
What it leads to →
Made from
The most common element in Earth's crust by weight. Most of it is locked up in rock, not air.
From the big bang to oxygen
The most direct chain from the start of the universe, following what things are made from and, for living things, what they evolved from. Each step shows when it first appeared.
big bang13.8 bn yrs ago
Hhydrogen13.8 bn yrs ago
star13.6 bn yrs ago
Ooxygen13.6 bn yrs ago