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Recombination (cosmology)

space Maturity 11-13

Long ago, the world was very hot.

Cosmic Microwave Background (CMB).jpeg
Cosmic Microwave Background (CMB).jpeg
Tiny bits of stuff moved fast. Then, the world cooled down. The bits joined to make atoms. This helped light travel far. Can you imagine a hot sky?

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🖼️ Images & Media (6)
File:Stylised atom with three Bohr model orbits and stylised nucleus.svg
Stylised atom with three Bohr model...
File:WMAP 2012.png
WMAP 2012.png
File:Crab Nebula.jpg
Crab Nebula.jpg
File:Earth-moon.jpg
Earth-moon.jpg
File:Cosmic Microwave Background (CMB).jpeg
Cosmic Microwave Background (CMB).jpeg
File:He1523a.jpg
He1523a.jpg
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📚 Content adapted from Wikipedia | Readability: FK 10.0 | Vital Level 5