Dark Matter: Was It Really Cold From the Universe's Origins?

Cosmologists question the classical model that dark matter was cold from the universe's beginnings.

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The fact

New observations and theoretical simulations suggest a more complex history of its temperature and initial properties.

This revision could modify our models of the primitive cosmos and early galactic evolution.

17 sources — click a link to read an article on the topic:

RFI

MIT Technology Review

Le Figaro

Grist

The Guardian Environment

Ars Technica

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#matière noire #cosmologie #univers primitif #astrophysique

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Auto-synthesis from 17 media sources · identified on April 14, 2026

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The fact

Story timeline

Read more

Dark matter: a post-Big Bang creation, suggests study

Dark matter could originate from black holes of previous universes

Dark matter upends theories on galaxy formation

Dark matter may exist in two distinct forms

Dark matter may be made of black holes from another universe

Galaxies without dark matter challenge cosmological models