Planet Scars/Timeline

4.6 billion years ago (4.6 Ga): Tiny planetesimals clumped together to form Scars. 4.5 billion years ago (4.5 Ga): Magma oceans flowed on Scars. 4.4 billion years ago (4.4 Ga): Magnetic field activated on Scars. 4.3 billion years ago (4.3 Ga): Debris ring forms around Scars after collision with a huge object. 4.2 billion years ago (4.2 Ga): Carbon dioxide ice clouds form. (Scars gets warmer)                                        4.1 billion years ago (4.1 Ga): Water oceans and lakes form. Rainfall begins. 4.0 billion years ago (4.0 Ga): Life began on Scars. (Meanwhile life began on Earth at the same time.)          3.8 billion years ago (3.8 Ga): Scars' molten core cooled down. It began to lose its water & atmosphere. Remaining water condensed to form ice. 3.1 billion years ago (3.1 Ga): Scars became a dead and cold planet. (Life was dead)                                  Today: Scars has a thin atmosphere. Mammal robots & rovers have occupied Scars. 100,000 years from now (+100 ka): Scars is terraformed by mammals. 50 million years from now (+50 Ma): Scars' moon Amphibos falls into Scars and is crushed by Scars' gravity to form rings around red planet. 4-5 billion years from now (+4-5 Ga): Scars is stripped off of everything when Sun becomes a red giant.