Scientists find a surprising clue to why the universe’s expansion doesn’t add up

Tiny magnetic fields created shortly after the Big Bang may help explain the long-running disagreement over how fast the universe is expanding.

Detailed simulations show that these primordial fields could have changed the formation of hydrogen in the early universe, affecting the cosmic microwave background and the expansion rate inferred from it.

Dans Science, FlexChar place cette histoire au centre de la journée : Tiny magnetic fields created shortly after the Big Bang may help explain the long-running disagreement over how fast the universe is expanding. FlexChar la retient parce qu’elle concentre recherches et discussion.