Within the gas in the (blue) filaments connecting the (orange) galaxies lurk rare pockets of pristine gas that are formed immediately after the Big Bang. Image: TNG Collaboration
A relic from the early universe: a cloud of unpolluted gas - space short science news

Using the world’s most powerful optical telescope in Hawaii, astronomers have observed a cloud of gas that seems not to have been contaminated by heavy metals from exploding stars.

The complete absence of heavy metals indicates that this cloud of gas is a relic of the Big Bang.

This observation helps astronomers to better understand the development of the universe and how the first galaxies have formed.

Read the full story: W.M. Keck Observatory
Scientific publication: Monthly Notices of the Royal Astronomical Society


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