James Webb Discovers a Nearly Pristine Galaxy From the Dawn of the Universe
3 Articles
3 Articles
James Webb Discovers a Nearly Pristine Galaxy From the Dawn of the Universe
A galaxy seen 13 billion years ago has just 1/240th the Sun’s oxygen abundance, offering a rare glimpse of what the ancestors of the Milky Way’s faintest neighbors may have looked like. Some of the faintest galaxies near the Milky Way may be survivors from the earliest chapters of cosmic history. Their ancient stars preserve [...]
Around 800 million years after the Big Bang, there was already a tiny star system with extremely low oxygen gas. Spectra of the James-Webb space telescope originally revealed only about one 240th of the solar value for LAP1-B. A recent evaluation confirms the low enrichment, but leaves open whether the object is an independent dwarf galaxy and whether its chemistry actually reveals the first stars. [...] The article James-Webb investigates an ex…
A galaxy observed as it was 13 billion years ago has just 1/240th the oxygen content of the Sun, offering a rare glimpse into what it might have looked like… James Webb discovers primordial galaxy that didn’t… breathe - ΙΝΑΦΤΕΜΟΠΟΡΙΚΙ
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