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Space
Space
Science
Robert Lea

'Time machine' reveals hidden structures in the universe's first galaxies (images)

A family portrait of galaxies from the CRISTAL survey. Red shows cold gas traced by ALMA’s [CII] observations. Blue and green represent starlight captured by the Hubble and James Webb Space Telescopes.

Astronomers have turned the Atacama Large Millimeter/submillimeter Array (ALMA) into a time machine to peer back in cosmic time to 1 billion years after the Big Bang.

This has revealed previously hidden structures within the universe's first galaxies, which could help us understand how the modern cosmos, including our galaxy, the Milky Way, took shape.

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