-
Oort cloud reaches maximum mass.
-
Pre-solar nebula forms and begins to collapse. Sun begins to form.
-
Terrestrial planets and the Moon form.
Giant impacts occur.
Water delivered to Earth.
Sun becomes a main-sequence star. -
Resonance in Jupiter and Saturn's orbits moves Neptune out into the Kuiper belt. Late Heavy Bombardment occurs in the inner Solar System.
-
Previous generations of stars live and die, injecting heavy elements into the interstellar medium out of which the Solar System formed.
Plan projects on a visual timeline
Map milestones, phases, deadlines, and key events in one place so the sequence is easier to see and share. Timetoast is a timeline maker for work, school, research, and stories.