
Illustration of an exoplanet within the early universe
Darryl Fonseka/Alamy
Circumstances within the early universe may need enabled rocky planets with water to kind a lot sooner than anticipated, probably permitting life to start sooner too.
Astrophysicists finding out the early universe assume planet formation didn’t start in earnest till supernovae had launched sufficient heavy parts to kind planetesimals, the constructing blocks of rocky planets, round stars. Our solar and its planets arose when the universe was about 9 billion years previous, and the oldest identified planet developed 1 billion years into the lifetime of the universe.