3steps from the big bang
4things can go into it
supernova
FundamentalCosmic
When a massive star dies it explodes, scattering the elements it made across space. Later stars and planets form from that debris.
First appeared13.6 billion years ago
Made Of
Everything is made of something.← What it takes
What it leads to →
Made from
When a massive star dies it explodes, scattering the elements it made across space. Later stars and planets form from that debris.
From the big bang to supernova
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
supernova13.6 bn yrs ago