The Solar System Forms

9.2 billion years — 4.6 billion years ago · Structure Formation

Temperature (K): 3.8
When: 9.2 billion years — 4.6 billion years ago
Redshift: z ≈ 0.4
Era: Structure Formation
Seconds After Big Bang: 290323756000000000

What Happened

A molecular cloud enriched by earlier supernovae collapses. Every element in the Earth heavier than helium was manufactured inside a star that died before the Sun existed.

Researchers

Pierre-Simon Laplace Viktor Safronov Gregory Laughlin Clair Patterson

Equations

Vis-Viva Equation Law of Universal Gravitation Kepler's Third Law Chandrasekhar Limit

Theories

Newtonian Mechanics Stellar Nucleosynthesis Heliocentrism

Referenced by

equation

Chandrasekhar Limit Kepler's Third Law Law of Universal Gravitation Vis-Viva Equation

researcher

Clair Patterson Gregory Laughlin Pierre-Simon Laplace Viktor Safronov

theory

Heliocentrism Newtonian Mechanics Stellar Nucleosynthesis

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From the Cosmic Timeline database in Notion, last edited 2026-08-16. This page is the row, rendered by the build; nothing on it is written by hand.