For decades, astronomers were only able to study the universe’s very first stars using theoretical models. Now, observations from the James Webb Space Telescope (JWST) have revealed what may be the most compelling evidence to date for these ancient “Population III” stars, finding them clustered around a small companion object that formed just 400 million years after the Big Bang.
‘It’s a special thing to be on Planet Earth’: Nasa’s Artemis crew welcomed home
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