By Dean Murray

Space scientists have discovered "cosmic grapes" that could change the understanding of how galaxies are formed.

Astronomers using the James Webb Space Telescope and Chile’s ALMA array have captured unprecedented detail of a galaxy just 930 million years after the Big Bang.

They discovered at least 15 dense "star-forming clumps" embedded within a rotating disk like a bunch of grapes .

The findings, published in Nature Astronomy , overturn earlier Hubble images that showed a smooth disk, instead revealing a rotating system rich in complex structure.

Researchers say the discovery challenges current models of galaxy formation and suggests many early galaxies may be similarly clumpy, hidden from view until now.

An ALMA statement said: "Because existing simulati

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