solar system Era #card #bidirectional
4.57 Gya - Now
Pre Life on earth Era #card #bidirectional
4.57 Gya - 4.1 Gya
Formation of the solar system #card #bidirectional
4.57 Gya
Oldest rocks known on earth #card #bidirectional
4.4 Gya
Life On earth Era #card #bidirectional
4.1 Gya - Now