The First Stars

≈ 180 million years · Dark Ages

Temperature (K): 57
When: ≈ 180 million years
Redshift: z ≈ 20
Era: Dark Ages
Seconds After Big Bang: 5680247400000000

What Happened

Metal-free hydrogen and helium collapse into stars hundreds of times the Sun's mass, burning furiously and dying young. Not one has ever been observed — Population III is the great missing chapter of astrophysics.

Researchers

Naoki Yoshida Abraham Loeb Tom Abel Volker Bromm

Equations

Stefan–Boltzmann Law Chandrasekhar Limit Saha Ionization Equation

Theories

Stellar Nucleosynthesis

Referenced by

equation

Chandrasekhar Limit Saha Ionization Equation Stefan–Boltzmann Law

researcher

Abraham Loeb Naoki Yoshida Tom Abel Volker Bromm

theory

Stellar Nucleosynthesis

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From the Cosmic Timeline database in Notion, last edited 2026-08-21. This page is the row, rendered by the build; nothing on it is written by hand.